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Mathematics, 25.09.2019 09:30 Richelleypinelley

It takes doug 3 days to reroof a house. if doug's son , it can be done in 2 days. how long would it take doug's son to do the job alone?

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It takes doug 3 days to reroof a house. if doug's son , it can be done in 2 days. how long would it...
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