addison has her car fix for $170. if the parts were $80, what is the hourly rate for labor if she was billed for an hour and half?let e=the hourly charge.

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lfryerda | High School Teacher | (Level 2) Educator

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Since the hourly rate is e, and the base cost is $80, with the total cost being $170, we need to solve the equation: 



`1.5e=90`   divide by 1.5



The hourly charge is $60/hour.

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