herrerakierbear herrerakierbear

10-03-2020
Mathematics

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It take 23 minutes for 6 people to paint 6 walls, how many minutes does it take 9 people to paint 9 walls

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fussellk fussellk

10-03-2020

I would set up a ratio problem

23 minutes/6 people = x/9 ppl

cross multiply

207 = 6x

x = 34.5 minutes

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