bballrey123456789 bballrey123456789

31-03-2017
Mathematics

contestada

It takes 40 minutes for 8 people to paint 4 walls.
How many minutes does it take 10 people to paint 7 walls?

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Аноним Аноним

31-03-2017

56 minutes for 5 people to paint 10 walls multiply by 5 to get 1 persondivide by 7 to get 7 peopledivide by 10 to get 1 wall multiply by 8 to get 8 walls(56)5*8)/(10*7) minutes for 7 people to paint 8 walls2240/70 = 32 minutes

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mariah11380185 mariah11380185

31-03-2017

it takes 60 minutes for 10 people because if you. punt by tens u get that exact number

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