Mathematics, 11.12.2021 03:00, fayth1760

One plumber charges a fee of $75 per service call plus $15 per hour. Another plumber has no flat fee, but charges $25 per hour. Find the number of hours for which the cost of the two plumbers is the same. thank you ! ! <3

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One plumber charges a fee of $75 per service call plus $15 per hour. Another plumber has no flat fee...