Mathematics, 17.12.2020 04:10, mrgoggles12

Two plumbers make house calls. One charges $105 for a visit plus $30 per hour of work. The other charges $65 per visit plus $40 per hour of work. For how
many hours of work do the two plumbers charge the same?

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Two plumbers make house calls. One charges $105 for a visit plus $30 per hour of work. The other ch...