amberkirschbaum amberkirschbaum
  • 22-04-2017
  • Mathematics
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it takes 60 minutes for 7 people to paint 5 walls.how many minutes does it take 10 people to paint 10 walls?

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Аноним Аноним
  • 22-04-2017
the answer is 0.7/1 of a wall per person
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