modelocho modelocho

05-04-2018
Mathematics

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if 12 men are needed to run 4 machines. how many men are needed to run 20

if 12 men are needed to run 4 machines how many men are needed to run 20 class=

Respuesta :

05-04-2018

Hi there! The answer is 60 men.

4 machines can be run by 12 men.
20 machines (4 * 5) can be run by 60 men (12 * 5, since the proportions remain the same.)

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jhoshernandez3 jhoshernandez3

05-04-2018

60 men will be needed to run 20 mashines, just multiple 12 by 5 to get 60.

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