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A school dance committee is to consist of 2 freshmen, 3 sophomores, 4 juniors, and 5 seniors. If 5 freshmen, 7 sophomores, 8 juniors, and 9 seniors are eligible to be on the committee, in how many ways can the committee be chosen?

 Feb 29, 2020
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Choose  2 preshmen out of 5   =     5 c 2  = 10      x

              3 soph out of  7                 7 c 3   = 35     x

               4 jun               8                8 c 4 =   70     x  

               5 seniors        9                9 c 5  = 126

 

10  x  35   x   70   x   126    =.......  

 Feb 29, 2020

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