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OpenStudy (anonymous):
A car repair shop charged $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 to repair the car?
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OpenStudy (anonymous):
490-210 (for the parts) 280 and then 280/80 (to get the number of hours) 3.5
OpenStudy (anonymous):
Thankks!!
OpenStudy (anonymous):
your welcome!
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