t2riV9ikkleybradetty t2riV9ikkleybradetty

29-01-2017
Mathematics

contestada

A soda machine can fill 8 bottles in 10 minutes. at the same rate how many machines could fill 48 bottles in half that time?

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HomertheGenius HomertheGenius

03-02-2017

1 machine - 8 bottles - 10 minutes
x machines - 48 bottles - 5 minutes
---------------------------------------------------
x : 1 = 48 : 8 = 10 : 5
x * 8 * 5 = 48 * 10
40 x = 480
x = 480 : 40
x = 12
Answer : 12 machines.

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