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17-09-2020
Mathematics

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Natalie made more than $57 washing cars. She charged $7.50 a car and earned $22 in tips. What is the minimum number of cars that she washed?

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sabienadderley03 sabienadderley03

17-09-2020

Answer:

4

Step-by-step explanation:

57 = 7.50x + 22

subtract 22 from both sides

35 = 7.50x

divide both sides by 7.50

4.66666666667 = x

since you cant have .666667 of a car, you would round it down to 4

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