Roof Repair A roofer and an assistant can repair a roof
Chapter , Problem 1.4.72(choose chapter or problem)
Roof Repair A roofer and an assistant can repair a roof together in 6 hours. Working alone, the assistant can repair the roof in 14 hours. If both the roofer and the assistant work together for 2 hours and then the assistant is left alone to finish the job, how much longer should the assistant need to finish the repairs?
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