candylove2005 candylove2005

16-02-2018
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

Respuesta :

zrh2sfo zrh2sfo

16-02-2018

There are 56 minutes for 10 people to paint 7 walls!

Answer Link

khatijarazi khatijarazi

16-02-2018

4 people paint 8 walls in 60 minutes

1 person paints 8 walls in 240 minutes

1 person paints 1 wall in 30 minutes

5 people paint 1 wall in 6 minutes

5 people paint 4 walls in 24 minutes

Answer Link

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