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27-06-2018
Mathematics

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it took 32 minutes for 3 people to paint 4 walls. how many minutes does it take for 4 people to paint 7 walls

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XSadness XSadness

27-06-2018

Hello.

Time taken by 3 person to paint one wall=32÷4=8minstime taken by 1 person to paint one wall=8*3=24minstime taken by 1 person to paint 7 walls=24*7=168 minstime taken by 4 persons to paint 7 walls=168÷4=42mins
Answer= 42 minutes

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