document.write( "Question 605989: In how many ways can you choose a committee of 7 from a total of 20 people \n" ); document.write( "
Algebra.Com's Answer #381869 by Sarey(4)![]() ![]() ![]() You can put this solution on YOUR website! choose 7 people from 20 --> simple combinatorial problem:\r \n" ); document.write( "\n" ); document.write( "(20 c 7) - read \"twenty choose 7\"\r \n" ); document.write( "\n" ); document.write( "(20 c 7) = 20*19*18*17*16*15*14/(7*6*5*4*3*2*1) \n" ); document.write( " = 77,520 \n" ); document.write( "If you need more help go to http://www.mathsisfun.com/combinatorics/combinations-permutations-calculator.html \n" ); document.write( " |