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3 years ago

11

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 Rober

t and Jack to paint the wall working together?

1 answer:

olga_2 [115]3 years ago

3 0

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

hope this helps you

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