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OpenStudy (anonymous):
Grace earns $7 for each car she washes.She always saves $25 of her weekly earnings.This week, she wants to have at least $65 in spending money. At least how many car must she wash?
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OpenStudy (anonymous):
so, you have to find how much total she wants in total then divide by 7. 65+25=90 90/7=11r3
OpenStudy (anonymous):
and since you can't wash 3/7 of a car you must wash one more. So, 12 cars.
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