skyes77 skyes77
  • 20-05-2020
  • Mathematics
contestada

It takes 20 minutes for 5 people to paint 5 walls. How many minutes does it take 9people to paint 9 walls?

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morganpravato morganpravato
  • 20-05-2020
20 minutes because 9/9 is simplified to 1 as 5/5 is simplified to 1
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