APPLICATION Lara buys a $500 sofa at a furniture store. She buys the sofa with a new

Chapter 6, Problem 12

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APPLICATION Lara buys a $500 sofa at a furniture store. She buys the sofa with a new credit card that charges 1.5% interest per month, with an offer for no payments for a year. a. What balance will Laras credit card bill show after 6 months? Write an exponential expression and evaluate it. b. How much total interest will be added after 6 months? c. What balance will Laras credit card bill show after 12 months? Write an exponential expression and evaluate it. d. How much more interest will be added between 6 and 12 months? e. Explain why more interest builds up between 6 and 12 months than between 0 and 6 months.

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