Posted by Katie 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  Reiny, 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:
TJD
TJM
TJG
etc

math  mr. fantastic, 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  your mom, Monday, June 15, 2015 at 9:43pm
Ayeeeeeeeeeeee
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