document.write( "Question 34915: MUST USE THE FORMULA FOR COMBINATIONS TO SOLVE THE FOLLOWING PROBLEM. MUST SHOW ALL WORK.\r
\n" ); document.write( "\n" ); document.write( "The class president plans to randomly select a committee of 3 people from 25 students. How many committees are possible?\r
\n" ); document.write( "\n" ); document.write( " Thank you for taking the time to help me out! Please help me I have done over 40 of these and I am confused on a few.
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Algebra.Com's Answer #21132 by Earlsdon(6294)\"\" \"About 
You can put this solution on YOUR website!
The combination of n items taken r at a time is expressed by:
\n" ); document.write( "\"nCr+=+n%21%2Fr%21%28n-r%29%21\"\r
\n" ); document.write( "\n" ); document.write( "For 25 people taken 3 at a time:
\n" ); document.write( "\"25C3+=+25%21%2F3%21%2825-3%29%21\"=\"25%21%2F3%21%2822%29%21\"=\"2300\"
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