Mathematics, 16.07.2020 08:01 anaclaramigli

Fred can mow a lawn in 60 minutes. rocky can mow the same lawn in 40 minutes. how long does it take for both fred and rocky to mow the lawn if they are working together? express your answer as a reduced fraction.

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Fred can mow a lawn in 60 minutes. rocky can mow the same lawn in 40 minutes. how long does it take...

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