algebra

two mechanics worked on a car the first mechanic worked for 15 hours and the second mechanic worked for 5 hours together they charged a total of 1525 what was the rate charged per hour by each mechanic if the sum of the two rates was 175 per hour

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  1. If the rates are a and b, then we are told

    a+b = 175
    15a+5b = 1525

    Now just solve for a and b.

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