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david and joseph have a total of 328 marbles. Mathew and david have 176 marbles. joseph has 5 times as many as Mathew. how many marbles does david have?

  • math - ,

    math - Reiny, Sunday, March 31, 2013 at 3:10pm

    d + j = 328

    m+d = 176

    j = 5m

    put j = 5m into the first to find d
    then put d into the second to find m
    Now you know everybody's marbles

    math - shohanur, Sunday, March 31, 2013 at 3:32pm
    I don't get it

    What part don't you get?

  • math - ,

    the put j=5m.... part

  • math - ,

    Joseph has 5 times as many as Mathew

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