Asked by John
a car repair shop charge $80 per hour for labor and $210 for the parts of a car . if the total cost of repair for the car was $490 , how many hours did it take ro repair the car ?
Answers
Answered by
bobpursley
total cost=80*h+210
solve for h.
subtract 210 from each side
divide each side by 80
solve for h.
subtract 210 from each side
divide each side by 80
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