3003566 3003566

03-12-2016
Mathematics

contestada

t takes 23minutes for 6people to paint 6 walls.
How many minutes does it take 9 people to paint 9 walls?

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PossiblySomebody PossiblySomebody

03-12-2016

I think 23 bc if you set up the equ : 23*(6/6)=(9/9)T you solve and get 23 min

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