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Bill car needed work. The mechanic charged him $160 for parts plus $38 per hour for labor. If the bill totaled $300,how many hours of labor were required?

Respuesta :

DrBrando
About three and a half hours.
The formula is this
Total Cost    Hours of labor
300-160-140/38=~0
        Up Front Bill
about 3.6 to 3.7 hours

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