Sue set up a lemonade stand and sold 10 glasses of lemonade in the first hour. Her sales increased at the rate of 20% per hour for the next n hours. Which function represents the total number of glasses she sold in the nth hour? If the price of 1 glass of lemonade is $0.50, how much money did she earn in the nth hour?

A. f(n) = 10 x 1.2^n
B. f(n) = 10 - 1.2^n
C. f(n) = 10 + 1.2^n

and the money she earned in the nth hour is

A. 10 x 1.2^n
B. 1.5(10 x 1.2^n)
C. 10 x 2^n

Question

Sue set up a lemonade stand and sold 10 glasses of lemonade in the first hour. Her sales increased at the rate of 20% per hour for the next n hours. Which function represents the total number of glasses she sold in the nth hour? If the price of 1 glass of lemonade is $0.50, how much money did she earn in the nth hour? 

A. f(n) = 10 x 1.2^n
B. f(n) = 10 - 1.2^n
C. f(n) = 10 + 1.2^n

and the money she earned in the nth hour is

A. 10 x 1.2^n
B. 1.5(10 x 1.2^n)
C. 10 x 2^n

anonymous · Answer

Just realized this was in the wrong section.