stephaniem0216
stephaniem0216 stephaniem0216
  • 11-09-2018
  • Mathematics
contestada

Mike can plow a field in 12 hours and his brother Phil can plow it in 15 hours. How long will it take them to plow it if they use two plows and work together?

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malak22
malak22 malak22
  • 11-09-2018
17 hours because I plus the q5 and the 12
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