Question

Susan wants to save $800 to buy a TV. She saves $19 each week. The amount, A (in dollars), that she still needs after w weeks is given by the followin
function
A(W) = 800 - 19w
Answer the following questions.
(a) How much money does Susan still need after 5 weeks?
(b) If Susan still needs $439, how many weeks has she been saving?
I weeks
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Explanation
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Answer 1

Answer:

705 and19 weeks

Step-by-step explanation:

Amount that Susan want to save = 800$

Savings per week = 19$

The amount, A (in dollars), that she still needs after w weeks is given by the following function

$A(W) = 800 - 19w$, where w represents the number of weeks

a) After 5 weeks money $A(5) = 800-19(5)\\=705$$

b) $A(w) =439\\800-19w=439\\19w=800-439 =361\\w =19$

Answer 2

Answer:A: $705

B: 19 weeks

Step-by-step explanation:

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