If 4 people can paint 8 walls in 60 minutes,how long will it take 5 people to paint 4 walls?

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18-12-2014
Mathematics

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If 4 people can paint 8 walls in 60 minutes,how long will it take 5 people to paint 4 walls?

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AL2006 AL2006 · Answer 1 · 2014-12-18T21:51:00-05:00

AL2006 AL2006

18-12-2014

4 people paint 8 walls in 60 minutes

So 1 person paints 8 walls in 240 minutes

So 1 person paints 1 wall in 30 minutes

So 5 people paint 1 wall in 6 minutes

So 5 people paint 4 walls in 24 minutes

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