Mathematics, 25.02.2021 07:50, humblemalak

Two mechanics worked on a car. The first mechanic worked for 10 hours and the second mechanic worked for 5 hours. Together they charged a total of $825. What is the rate charged per hour by each mechanic if the sum of the two rates was $120 per hour?

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Two mechanics worked on a car. The first mechanic worked for 10 hours and the second mechanic worked...