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20 votes
20 votes
Amy wants to save $500 to buy a TV. She saves $17 each week. The amount, A (in dollars), that she still needs after w weeks is given by the following function.

A (w) = 500 - 17w
(a). How much money does Amy still need after 7 weeks?
(b). If Amy still needs $211, how many weeks has she been saving?

User Owusu
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1 Answer

18 votes
18 votes

After 7 weeks she would have the total of 119$

A. $381

B. 17 weeks

500-211=289/17=17

User Jeff Day
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