SOLUTION: Suppose that a plumbing repair bill, not including tax, was $118. This included $22 for parts and an amount for 6 hours of labor. Find the hourly rate that was charged for labor.

Question 496782: Suppose that a plumbing repair bill, not including tax, was $118. This included $22 for parts and an amount for 6 hours of labor. Find the hourly rate that was charged for labor.

Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Suppose that a plumbing repair bill, not including tax, was $118. This included $22 for parts and an amount for 6 hours of labor. Find the hourly rate that was charged for labor.
.
Let r = hourly rate
then
6r + 22 = 118
6r = 96
r = $16 per hour
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