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Ellie needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 3.5 hours and charged her $187 for parts. The total was $309.50. What was the cost of labor, per hour?

Respuesta :

Answer: the answer is $35 per hour

Step-by-step explanation:

at the store worked on the computer for 4 hours and charged her $85 for parts. The

total was $225. Write and solve an equation which can be used to determine x, the

cost of the labor per hour

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