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16-04-2016
Mathematics

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It takes 45 minutes for 4 people to paint 5 walls. How many minutes does it take 6 people to paint 4 walls?

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Аноним Аноним

16-04-2016

45/5 = 9minutes/wall = 1wall/9minute/4 people = (1/36) per minute per person

(1/36)*6 = 1/6 wall per minute per 6 people * 24 = 4 walls in 24 minutes

24 Minutes total

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