Mathematics, 06.05.2020 04:07, brian2913

Abe, a plumber, charges $50 per hour for making an in-home visit. The Plumbing Service $65 per hour but no set free for a visit. How many hours of plumbing work are needed for each to cost the same?

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Abe, a plumber, charges $50 per hour for making an in-home visit. The Plumbing Service $65 per hour...