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16-01-2020
Mathematics

contestada

It takes 45 minutes for 4 people to paint 5 walls
How many minutes does it take 6 people to paint 4 walls?

Respuesta :

24-01-2020

4 people paint 5 walls in 45 min.

4 people paint 1 wall in 9 min.

4 people paint 4 walls in 36 min.

6 people paint 4 walls in 27 min.

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