Mathematics, 04.12.2019 19:31 syd5723

Two mechanics worked on a car. the first mechanic worked for 20 hours, and the second mechanic worked for 5 hours. together they charged a total of $1900 . what was the rate charged per hour by each mechanic if the sum of the two rates was $155 per hour?

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Two mechanics worked on a car. the first mechanic worked for 20 hours, and the second mechanic worke...