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2 April, 15:14

It takes 60 minutes for 4 people to paint 8 walls.

How many minutes does it take 6 people to paint 9 walls?

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  1. 2 April, 18:24
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    Each person paints 2 walls in 60 minutes (8:4=2) that means 1 wall takes 30 minutes for each person (60:2=30)

    For 9 walls, each person paints 1.5 walls (9:6 = 1.5) that mean 1.5 * 30 = 45 minutes

    So 6 people need 45 minutes to paint 9 walls
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