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It takes 40 minutes for eight people to paint four walls how many minutes does it takes 10 people to paint seven walls

It takes 40 minutes for eight people to paint four walls how many minutes does it takes 10 people to paint seven walls
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It takes 40 minutes for eight people to paint four walls how many minutes does it takes 10 people to paint seven walls

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User Jsosnowski
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1 Answer

2 votes
8r(40)=4

r=1/80 that is the rate for each person...

10rt=7 using r we found before

10(1/80)t=7

t/8=7

t=56 minutes.
answered
User Iamdto
by
8.4k points
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