Question

Kevin wants to save $600 to buy a TV. He saves $17 each week. The amount, A (in dollars), that he still needs after w weeks is given by the following function.

A (w)=600-17w
Answer the following questions.
(a) If Kevin still needs $277, how many weeks has he been saving?

weeks
(b) How much money does Kevin still need after 5 weeks?
$?

Answer 1

A) Kevin has been saving money for 19 weeks.

B) Kevin still needs $515.

Explanation:

A) 277=600-17x /-600

-17=-323 /÷(-17)

x=19

B) x=600-17×5

x=600-85

x= 515