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
pg
explanation
check
2019 maw
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