120k views
2 votes
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?

User Laurenz
by
5.7k points

1 Answer

2 votes

Answer:

4

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

User Alfreddd
by
6.6k points
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