?In the following exercises, find (a) the amount of discount and (b) the discount rate

Translate and solve: What number is 45% of 80?

Translate and solve: What number is 55% of 60?

Translate and solve: 7.5% of what number is $1.95?

Translate and solve: 8.5% of what number is $3.06?

Translate and solve: 110 is what percent of 88?

Translate and solve: 126 is what percent of 72?

Cierra and her sister enjoyed a dinner in a restaurant and the bill was $81.50. If she wants to leave 18% of the total bill as her tip, how much should she leave?

Kimngoc had lunch at her favorite restaurant. She wants to leave 15% of the total bill as her tip. If her bill was $14.40, how much will she leave for the tip?

One serving of wheat square cereal has seven grams of fiber, which is 28% of the recommended daily amount. What is the total recommended daily amount of fiber?

One serving of rice cereal has 190 mg of sodium, which is 8% of the recommended daily amount. What is the total recommended daily amount of sodium?

Solve. Round to the nearest whole percent. Veronica is planning to make muffins from a mix. The package says each muffin will be 230 calories and 60 calories will be from fat. What percent of the total calories is from fat?

Solve. Round to the nearest whole percent. The mix Ricardo plans to use to make brownies says that each brownie will be 190 calories, and 76 calories are from fat. What percent of the total calories are from fat?

Find the percent increase. (Round to the nearest tenth of a percent.) In 2011, the IRS increased the deductible mileage cost to 55.5 cents from 51 cents.

Find the percent increase. In 1995, the standard bus fare in Chicago was $1.50. In 2008, the standard bus fare was $2.25.

Find the percent decrease. (Round to the nearest tenth of a percent.) The population of North Dakota was about 672,000 in 2010. The population is projected to be about 630,000 in 2020.

Find the percent decrease. Last year, Sheila’s salary was $42,000. Because of furlough days, this year, her salary was $37,800.

Areli invested a principal of $950 in her bank account with interest rate 3%. How much interest did she earn in 5 years?

Susana invested a principal of $36,000 in her bank account with interest rate 6.5%. How much interest did she earn in 3 years?

Jim loaned his sister $5,000 to help her buy a house. In 3 years, she paid him the $5,000, plus $900 interest. What was the rate of interest?

Hang borrowed $7,500 from her parents to pay her tuition. In 5 years, she paid them $1,500 interest in addition to the $7,500 she borrowed. What was the rate of interest?

Sean’s new car loan statement said he would pay $4,866.25 in interest from an interest rate of 8.5% over 5 years. How much did he borrow to buy his new car?

In 5 years, Gloria’s bank account earned $2,400 interest at 5%. How much had she deposited in the account?

Find (a) the amount of discount and (b) the sale price: Sergio bought a belt that was discounted 40% from an original price of $29.

Find (a) the amount of discount and (b) the sale price: Oscar bought a barbecue that was discounted 65% from an original price of $395.

Find (a) the amount of discount and (b) the discount rate. Lena bought a kitchen table at the sale price of $375.20. The original price of the table was $560.

Find (a) the amount of discount and (b) the discount rate. Nick bought a multi-room air conditioner at a sale price of $340. The original price of the air conditioner was $400.

Find (a) the amount of mark-up and (b) the list price. Jim’s music store bought a guitar at original cost $1,200. Jim marked the price up 50%.

Find (a) the amount of mark-up and (b) the list price. The Auto Resale Store bought Pablo’s Toyota for $8,500. They marked the price up 35%.

In the following exercises, translate and solve. What number is 45% of 120?

In the following exercises, translate and solve. What number is 65% of 100?

In the following exercises, translate and solve. What number is 24% of 112?

In the following exercises, translate and solve. What number is 36% of 124?

In the following exercises, translate and solve. 250% of 65 is what number?

In the following exercises, translate and solve. 150% of 90 is what number?

In the following exercises, translate and solve. 800% of 2250 is what number?

In the following exercises, translate and solve. 600% of 1740 is what number?

In the following exercises, translate and solve. 28 is 25% of what number?

In the following exercises, translate and solve. 36 is 25% of what number?

In the following exercises, translate and solve. 81 is 75% of what number?

In the following exercises, translate and solve. 93 is 75% of what number?

In the following exercises, translate and solve. 8.2% of what number is $2.87?

In the following exercises, translate and solve. 6.4% of what number is $2.88?

In the following exercises, translate and solve. 11.5% of what number is $108.10?

In the following exercises, translate and solve. 12.3% of what number is $92.25?

In the following exercises, translate and solve. What percent of 260 is 78?

In the following exercises, translate and solve. What percent of 215 is 86?

In the following exercises, translate and solve. What percent of 1500 is 540?

In the following exercises, translate and solve. What percent of 1800 is 846?

In the following exercises, translate and solve. 30 is what percent of 20?

In the following exercises, translate and solve. 50 is what percent of 40?

In the following exercises, translate and solve. 840 is what percent of 480?

In the following exercises, translate and solve. 790 is what percent of 395?

Geneva treated her parents to dinner at their favorite restaurant. The bill was $74.25. Geneva wants to leave 16% of the total bill as a tip. How much should the tip be?

When Hiro and his co-workers had lunch at a restaurant near their work, the bill was $90.50. They want to leave 18% of the total bill as a tip. How much should the tip be?

Trong has 12% of each paycheck automatically deposited to his savings account. His last paycheck was $2165. How much money was deposited to Trong’s savings account?

Cherise deposits 8% of each paycheck into her retirement account. Her last paycheck was $1,485. How much did Cherise deposit into her retirement account?

One serving of oatmeal has eight grams of fiber, which is 33% of the recommended daily amount. What is the total recommended daily amount of fiber?

One serving of trail mix has 67 grams of carbohydrates, which is 22% of the recommended daily amount. What is the total recommended daily amount of carbohydrates?

A bacon cheeseburger at a popular fast food restaurant contains 2070 milligrams (mg) of sodium, which is 86% of the recommended daily amount. What is the total recommended daily amount of sodium?

A grilled chicken salad at a popular fast food restaurant contains 650 milligrams (mg) of sodium, which is 27% of the recommended daily amount. What is the total recommended daily amount of sodium?

After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa’s original weight?

Tricia got a 6% raise on her weekly salary. The raise was $30 per week. What was her original salary?

Yuki bought a dress on sale for $72. The sale price was 60% of the original price. What was the original price of the dress?

Kim bought a pair of shoes on sale for $40.50. The sale price was 45% of the original price. What was the original price of the shoes?

Tim left a $9 tip for a $50 restaurant bill. What percent tip did he leave?

Rashid left a $15 tip for a $75 restaurant bill. What percent tip did he leave?

The nutrition fact sheet at a fast food restaurant says the fish sandwich has 380 calories, and 171 calories are from fat. What percent of the total calories is from fat?

The nutrition fact sheet at a fast food restaurant says a small portion of chicken nuggets has 190 calories, and 114 calories are from fat. What percent of the total calories is from fat?

Emma gets paid $3,000 per month. She pays $750 a month for rent. What percent of her monthly pay goes to rent?

Dimple gets paid $3,200 per month. She pays $960 a month for rent. What percent of her monthly pay goes to rent?

In the following exercises, solve. Tamanika got a raise in her hourly pay, from $15.50 to $17.36. Find the percent increase.

In the following exercises, solve. Ayodele got a raise in her hourly pay, from $24.50 to $25.48. Find the percent increase.

In the following exercises, solve. Annual student fees at the University of California rose from about $4,000 in 2000 to about $12,000 in 2010. Find the percent increase.

In the following exercises, solve. The price of a share of one stock rose from $12.50 to $50. Find the percent increase.

In the following exercises, solve. According to Time magazine annual global seafood consumption rose from 22 pounds per person in the 1960s to 38 pounds per person in 2011. Find the percent increase. (Round to the nearest tenth of a percent.)

In the following exercises, solve. In one month, the median home price in the Northeast rose from $225,400 to $241,500. Find the percent increase. (Round to the nearest tenth of a percent.)

In the following exercises, solve. A grocery store reduced the price of a loaf of bread from $2.80 to $2.73. Find the percent decrease.

In the following exercises, solve. The price of a share of one stock fell from $8.75 to $8.54. Find the percent decrease.

In the following exercises, solve. Hernando’s salary was $49,500 last year. This year his salary was cut to $44,055. Find the percent decrease.

In the following exercises, solve. In 10 years, the population of Detroit fell from 950,000 to about 712,500. Find the percent decrease.

In the following exercises, solve. In 1 month, the median home price in the West fell from $203,400 to $192,300. Find the percent decrease. (Round to the nearest tenth of a percent.)

In the following exercises, solve. Sales of video games and consoles fell from $1,150 million to $1,030 million in 1 year. Find the percent decrease. (Round to the nearest tenth of a percent.)

In the following exercises, solve. Casey deposited $1,450 in a bank account with interest rate 4%. How much interest was earned in two years?

In the following exercises, solve. Terrence deposited $5,720 in a bank account with interest rate 6%. How much interest was earned in 4 years?

In the following exercises, solve. Robin deposited $31,000 in a bank account with interest rate 5.2%. How much interest was earned in 3 years?

In the following exercises, solve. Carleen deposited $16,400 in a bank account with interest rate 3.9%. How much interest was earned in 8 years?

In the following exercises, solve. Hilaria borrowed $8,000 from her grandfather to pay for college. Five years later, she paid him back the $8,000, plus $1,200 interest. What was the rate of interest?

In the following exercises, solve. Kenneth loaned his niece $1,200 to buy a computer. Two years later, she paid him back the $1,200, plus $96 interest. What was the rate of interest?

In the following exercises, solve. Lebron loaned his daughter $20,000 to help her buy a condominium. When she sold the condominium four years later, she paid him the $20,000, plus $3,000 interest. What was the rate of interest?

In the following exercises, solve. Pablo borrowed $50,000 to start a business. Three years later, he repaid the $50,000, plus $9,375 interest. What was the rate of interest?

In the following exercises, solve. In 10 years, a bank account that paid 5.25% earned $18,375 interest. What was the principal of the account?

In the following exercises, solve. In 25 years, a bond that paid 4.75% earned $2,375 interest. What was the principal of the bond?

In the following exercises, solve. Joshua’s computer loan statement said he would pay $1,244.34 in interest for a 3-year loan at 12.4%. How much did Joshua borrow to buy the computer?

In the following exercises, solve. Margaret’s car loan statement said she would pay $7,683.20 in interest for a 5-year loan at 9.8%. How much did Margaret borrow to buy the car?

In the following exercises, find the sale price. Perla bought a cell phone that was on sale for $50 off. The original price of the cell phone was $189.

In the following exercises, find the sale price. Sophie saw a dress she liked on sale for $15 off. The original price of the dress was $96.

In the following exercises, find the sale price. Rick wants to buy a tool set with original price $165. Next week the tool set will be on sale for $40 off.

In the following exercises, find the sale price. Angelo’s store is having a sale on televisions. One television, with original price $859, is selling for $125 off.

In the following exercises, find (a) the amount of discount and (b) the sale price. Janelle bought a beach chair on sale at 60% off. The original price was $44.95.

In the following exercises, find (a) the amount of discount and (b) the sale price. Errol bought a skateboard helmet on sale at 40% off. The original price was $49.95.

In the following exercises, find (a) the amount of discount and (b) the sale price. Kathy wants to buy a camera that lists for $389. The camera is on sale with a 33% discount.

In the following exercises, find (a) the amount of discount and (b) the sale price. Colleen bought a suit that was discounted 25% from an original price of $245.

In the following exercises, find (a) the amount of discount and (b) the sale price. Erys bought a treadmill on sale at 35% off. The original price was $949.95 (round to the nearest cent.)

In the following exercises, find (a) the amount of discount and (b) the sale price. Jay bought a guitar on sale at 45% off. The original price was $514.75 (round to the nearest cent.)

In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Larry and Donna bought a sofa at the sale price of $1,344. The original price of the sofa was $1,920.

In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Hiroshi bought a lawnmower at the sale price of $240. The original price of the lawnmower is $300.

In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Patty bought a baby stroller on sale for $301.75. The original price of the stroller was $355.

In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Bill found a book he wanted on sale for $20.80. The original price of the book was $32.

In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Nikki bought a patio set on sale for $480. The original price was $850. To the nearest tenth of a percent, what was the rate of discount?

In the following exercises, find (a) the amount of discount and (b) the discount rate. (Round to the nearest tenth of a percent if needed.) Stella bought a dinette set on sale for $725. The original price was $1,299. To the nearest tenth of a percent, what was the rate of discount?

In the following exercises, find (a) the amount of the mark-up and (b) the list price. Daria bought a bracelet at original cost $16 to sell in her handicraft store. She marked the price up 45%.

In the following exercises, find (a) the amount of the mark-up and (b) the list price. Regina bought a handmade quilt at original cost $120 to sell in her quilt store. She marked the price up 55%.

In the following exercises, find (a) the amount of the mark-up and (b) the list price. Tom paid $0.60 a pound for tomatoes to sell at his produce store. He added a 33% mark-up.

In the following exercises, find (a) the amount of the mark-up and (b) the list price. Flora paid her supplier $0.74 a stem for roses to sell at her flower shop. She added an 85% mark-up.

In the following exercises, find (a) the amount of the mark-up and (b) the list price. Alan bought a used bicycle for $115. After re-conditioning it, he added 225% mark-up and then advertised it for sale.

In the following exercises, find (a) the amount of the mark-up and (b) the list price. Michael bought a classic car for $8,500. He restored it, then added 150% mark-up before advertising it for sale.

At the campus coffee cart, a medium coffee costs $1.65. MaryAnne brings $2.00 with her when she buys a cup of coffee and leaves the change as a tip. What percent tip does she leave?

Four friends went out to lunch and the bill came to $53.75. They decided to add enough tip to make a total of $64, so that they could easily split the bill evenly among themselves. What percent tip did they leave?

Without solving the problem “44 is 80% of what number” think about what the solution might be. Should it be a number that is greater than 44 or less than 44? Explain your reasoning.

Without solving the problem “What is 20% of 300?” think about what the solution might be. Should it be a number that is greater than 300 or less than 300? Explain your reasoning.

After returning from vacation, Alex said he should have packed 50% fewer shorts and 200% more shirts. Explain what Alex meant.

Because of road construction in one city, commuters were advised to plan that their Monday morning commute would take 150% of their usual commuting time. Explain what this means.