Xavier needed to get his computer fixed. He took it to the repair store. The technician at the store worked on the computer for 4.5 hours and charged him $155 for parts. The total was $357.50. Write and solve an equation which can be used to determine xx, the cost of the labor per hour.

Respuesta :

Answer:

$45 - (357.50 - 155) / 4.5

Step-by-step explanation:

First, we have to deduct the amount for parts ($155) by the total ($357.50). Once we find the difference ($202.5), we can now divide it by the amount of hours (4.5). This leaves us with the answer, $45.

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