Mathematics, 10.01.2020 23:31 magicalforlife

Two mechanics worked on a car. first mechanic worked 20 hours, and the second worked 5 hours. together the charged $1800. what was the rate charge by each if the some of both rates was 135 per hour?

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Two mechanics worked on a car. first mechanic worked 20 hours, and the second worked 5 hours. togeth...

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