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math

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justin, julie, jamie, matt, ryan, and roland are the six players in a round-robin tennis tournament. each player will play a set against each of the other players. list all the sets that need to be played.

  • math -

    I would list the names vertically.
    Justin
    Julie
    Jamie
    Matt
    Ryan
    Roland.
    Now pair up one at a time. For example
    Justin/Julie
    Justin/Jamie
    Justin/Matt
    Justin/Ryan
    Justin/Roland
    Then go to the next one; i.e., Julie.
    Omit Julie/Justin because you already have that one.
    Julie/Jamie
    Julie/Matt
    Julie/Ryan
    Julie/Roland
    etc.

  • math -

    15

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