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Mathematics 10 Online
OpenStudy (anonymous):

22. Bob and James are finishing the roof of a house. Working alone, Bob can shingle the roof in 10 hours. James can shingle the same roof in 16 hours. How long will it take them working together to shingle the roof? please answer this if able! <3

OpenStudy (hba):

The question is closed So, you are done with it i guess.

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