Mathematics, 08.10.2019 09:00 genny42
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 $1950. what was the rate charged per hour by each mechanic if the sum of the two rates was $200 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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