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) (Show Source):
(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.