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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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Oct 7, 2015
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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?
Mathematics
high-school
Mohammed H
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Mohammed H
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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
Joey Morani
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Oct 11, 2015
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Joey Morani
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