Mathematics, 01.08.2020 03:01 hurtadocrv

Two mechanics worked on a car. The first mechanic worked for 5 hours, and the second mechanic worked for 15 hours. Together they charged a total of $1550. What was the rate charged per hour by each mechanic if the sum of the two rates was $140 per hour?

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Two mechanics worked on a car. The first mechanic worked for 5 hours, and the second mechanic worked...

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