Darylynroecats Darylynroecats

24-10-2016
Mathematics

contestada

The cost to repair linda's car is $500, including parts and labor. the cost of parts is $140. if the cost of labor is $40 per hour, how many hours of labor did the repairs take?

Respuesta :

apologiabiology apologiabiology

25-10-2016

500=140+40h
minus 140 both sides
360=40h
divide y 40
9=h
9 hours

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