document.write( "Question 242367: There are 10 boys and 15 girls. How many different gruops of 4 boys and 3 girls can you have? I just would like to know how to solve this problem \n" ); document.write( "
Algebra.Com's Answer #177423 by edjones(8007)\"\" \"About 
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nCr=n!/((n-r)!r!)
\n" ); document.write( "boys: 10C4=210
\n" ); document.write( "girls: 15C3=455
\n" ); document.write( "210*455=95,550 different groups
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