document.write( "Question 1082313: For a class field trip, 12 parents volunteered to be the chaperones. If a group of 5 parents is needed for the trip, how many groups can be chosen? SHOW YOUR WORK \n" ); document.write( "

Algebra.Com's Answer #696505 by josmiceli(19441) $\"\"$ $\"About$

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For any given group, the order is unimportant.
\n" ); document.write( "This means combinations and not permutations
\n" ); document.write( "are used.
\n" ); document.write( "C( 12,5 ) = $\"+12%21+%2F+%28+5%21%2A%28+12-+5+%29%29%21+\"$
\n" ); document.write( " $\"+12%21+%2F+%28+5%21%2A7%21+%29+\"$
\n" ); document.write( " $\"+%28+12%2A11%2A10%2A9%2A8+%29+%2F+%28+5%2A4%2A3%2A2%2A1+%29+\"$
\n" ); document.write( " $\"+95040+%2F+120+=+792+\"$
\n" ); document.write( "There are 792 ways to choose different groups
\n" ); document.write( "of 5 parents from 12 volunteers\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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