math4148 math4148

27-01-2019
Mathematics

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It takes Mr. Rose 10 hours to complete a printing job. His helper John can complete the same job in 15 hours. If Mr. Rose and John work together, how long will it take them to complete the job?

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kasey7946 kasey7946

27-01-2019

It’ll take them 6 hours

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27-01-2019

It will take them 6 hours

Answer Link

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