SOLUTION: Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 15 hours. Together they charged a total of $2175. What was the rate charge
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Question 1070035: Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 15 hours. Together they charged a total of $2175. What was the rate charged per hour by each mechanic if the sum of the two rates was $130 per hour?
Answer by josgarithmetic(39615) (Show Source): You can put this solution on YOUR website!
x, y
Each mechanic's rate
Sum of their rates, , as described.
Total charges, . Simplify this one before solving the system.
This is the system to solve:
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