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Mathematics, 09.03.2020 09:55 bankskry
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 $1800. What was the rate charged per hour by each mechanic if the sum of the two rates was $150 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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