unicornyeet unicornyeet

30-01-2020
Mathematics

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Bob can stamp all envelopes in the office in 5 hours and John can do the same job in 7 hours. How long will it take two of them to do this job?

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bacchusella04 bacchusella04

30-01-2020

5 divided by 2= 2.5
7 divided by 2= 3.5
it will take them 6 hours

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