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Two mechanics worked on a car. The first mechanic worked for10 hours, and the second mechanic worked for5hours. Together they charged a total of$1275. What

Two mechanics worked on a car. The first mechanic worked for10

hours, and the second mechanic worked for5hours. Together they charged a total of$1275. What was the rate charged per hour by each mechanic if thesumof the two rates was$180per hour?

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