doldh742506 doldh742506
  • 21-03-2017
  • Mathematics
contestada

It takes Doug 3 days to reroof a house. If Doug's son helps, it can be done in 2 days. How long would it take Doug's son to do the job alone?

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Аноним Аноним
  • 31-03-2017
it would take his son 3 days
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