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    DnDNerd Posts: 1, Reputation: 1
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    Mar 1, 2018, 11:45 AM
    Forgotten Tools
    So the other night at D&D my DM threw out a "Math Riddle" and I couldn't remember how set up the solution. Please help!

    Alice and Bob take 2 hours to do a job.
    Alice and Charlie take 3 hours to do the job.
    Bob and Charlie take 4 hours to do the same job.
    How long would it take all three of them to do the same job working together?

    It's obvious Alice is under paid and Charlie and Bob should be fired, but I just couldn't remember how o set up to solve the last part of the problem.

    I've been out of school for 15 years so I lost a few less used skills along the way.

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