A mechanic

A mechanic charges $45 for a diagnostic fee plus $25 per hour for labor. No parts were needed to make a repair that included the diagnostic plus 3.25 hrs of labor. The customer had an internet coupon for $10 off the diagnostic fee. What was the customer's total bill?

Correct answer:

x =  116.25 USD

Step-by-step explanation:

t=3.25 h  x=45+t 2510=45+3.25 2510=116.25 USD

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