issiahphillips issiahphillips

10-01-2017
Mathematics

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Robert can paint a certain wall in 4 minutes, while it takes Jack 12 minutes to paint the same wall. How long will it take Robert and Jack to paint the wall working together?

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Аноним Аноним

10-01-2017

it will take 24 minutes.
this is because the lowest common multiple is 24.

hope this helps you

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