r939ywmu3p r939ywmu3p
  • 15-10-2020
  • Mathematics
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It took Fabian 40 minutes to dig 5 post holes. If he continues at this rate, how long will it take him to dig 20 post holes?

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shanelzheng240
shanelzheng240 shanelzheng240
  • 15-10-2020

Set up a proportion!

40 minutes / 5 holes = m minutes / 20 holes

Cross multiply.

800 = 5m

m = 160.

It will take him 160 minutes to dig 20 post holes.

Good luck Fabian!

Hope this helps

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