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by: Ahmed

46

0

24

# MATH 101: Study Guide Bundle 1 Math 101

Ahmed

GPA 3.9

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Contains all the concepts covered from class notes August 30 - September 15.
COURSE
Algebra for College Students
PROF.
Chelsea Colón
TYPE
Study Guide
PAGES
24
WORDS
CONCEPTS
Math101, Studyguide
KARMA
50 ?

## Popular in Department of Mathematics and Statistics

This 24 page Study Guide was uploaded by Ahmed on Sunday September 18, 2016. The Study Guide belongs to Math 101 at Hunter College of the City University of New York taught by Chelsea Colón in Fall 2016. Since its upload, it has received 46 views. For similar materials see Algebra for College Students in Department of Mathematics and Statistics at Hunter College of the City University of New York.

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Date Created: 09/18/16
1.1 Interval Notation 1.5 Problem Solving and using Formula Mystery Number 1) A T.V is on sale for 80% of the original price. It cost's \$400 on sale. What is the original price ? 2) A coat is on sale for 20% oﬀ the original price. The selling price is \$80. What is the original price? 3) 10% of a number is added to itself, resulting in 22. What is the number? 4) One number exceeds another number by 4. The sum of the two number is 20. What are the two numbers? 5) One texting plan has a monthly fee of \$20 with an additional fee of \$0.25 per text. Another texting plan has a monthly fee of \$50, with an additional fee of \$0.10 per text. After how many text messages within a one-month period will the total cost be the same? What will be the total cost of each plan? Solving for a variable A) How many units must be sold to breakeven? B) What is the dollar amount coming in for the dollar amount going out -- should they be the same when you breakeven? Guided Practice : 1)A grocer needs to mix raisins at \$2.00 per pound with granola at \$3.25 per pound to obtain 10 pounds of a mixture that costs \$2.50 per pound.How many pounds of raisins and how many pounds of granola must be used? 2)A coin purse contains a mixture of 15 coins in nickels and dimes.The coins have a total value of \$1.10.Determine the number of nickels and the number of dimes in the purse. 3)A wine company needs to blend a California wine with a 5% alcohol content and a French wine with a 9% alcohol content to obtain 200 gallons of wine with a 7% alcohol content.How many gallons of each kind of wine must be used? 4)You invested \$7,000 in two accounts paying 6% and 8% annual interest,respectively.If the total interest earned for the year was \$520,how much was invested at each rate? 5) C(x) = 105x + 70,000,R(x) = 245x i.What is the proﬁt function? ii.Find the break-even point,and the amount of money being earned as well as the amount being spent once you break even.(Remember,these two values should be the same.) 6)There are 180 people at a civic club fundraiser.Members paid \$4.50 per ticket and nonmembers paid \$8.25 per ticket.If the total amount raised was \$1,222.50,how many members and how many nonmembers attended the event?

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