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Posted by on Friday, January 30, 2009 at 10:54pm.

Three students from grades 10,11 and 12 were elected to the student council.
Grade 10: Tom(T), Sally(s) and Bill(B)
Grade 11: Jerry(J),Anne(A)and Connie(C)
Grade 12: Dan(D), Martha(M) and Gwen(G)

A three member committee is to be formed with one person from each grade. All possible combinations must be considered before a decision is made. Two possible combinatons are Tom, Jerry, and Dan (TJD) and Sally, Anne, and Martha (SAM). List all other possible combinations for the committee.

  • math - , Friday, January 30, 2009 at 10:58pm

    there are 27 such combinations.
    Do you actually expect somebody to list those for you?
    go about it systematically:

  • math - , Monday, February 7, 2011 at 5:41pm

    tjd, tjm, tjg, tad, tam, tag, tcd, tcm, tcg, sjd, sjm, sjg, sad, sam, sag, scd, scm, scg, bjd, bjm, bjg, bad, bam, bag, bcd, bcm ,bcg

  • math - , Monday, June 15, 2015 at 9:43pm


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