math
posted by marie .
Use the formula nCr to solve
Of the 100 people in the U.S. senate, 18 served on the Foreign relations Committee. How many ways are there to select Senate members for this committee (assuming party affiliation is not a factor in the selection)

math 
Reiny
What didn't you like about my answer to your same question?
http://www.jiskha.com/display.cgi?id=1314115058 
math 
marie s
I didn't understand the answer?

math 
Reiny
C(n,r) is the same as _{n}C_{r}
and is defined as
n!/(r!(nr)!)
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