A repairman charged $93.06. The price included 2 hours of labor and a $40 service charge.

How much does the repairman charge per hour, c, for labor?

Solve for c.

Answer :

93.06 - 40 = 53.06/2 = $26.53 an hour.
93.06-40 = cost for 2 hours
53.06/2 = 26.53 = c

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