SOLUTION: Jenny wants to save $600 to buy a TV. She saves $18 each week. The amount, A (in dollars), that she still needs after w weeks is given by the following function. A(w)=600-18w Ans

Algebra ->  Functions -> SOLUTION: Jenny wants to save $600 to buy a TV. She saves $18 each week. The amount, A (in dollars), that she still needs after w weeks is given by the following function. A(w)=600-18w Ans      Log On


   



Question 1181267: Jenny wants to save $600 to buy a TV. She saves $18 each week. The amount, A (in dollars), that she still needs after w weeks is given by the following function.
A(w)=600-18w
Answer the following questions.
(a) How much money does Jenny still need after 5 weeks?
Dollar:
(b) If Jenny still needs $276, how many weeks has she been saving?
Weeks:

Answer by ikleyn(52752) About Me  (Show Source):
You can put this solution on YOUR website!
.

(a)  To answer this question, substitute w = 5 into the formula and calculate.



(b)  To answer this question, write the equation  600 - 18w = 276  and solve it for w.


You are instructed ---- hence, you know the way.