document.write( "Question 594531: If nPr=55440 and nCr=462nCr =462,determine \"\\"r\\"\" \n" ); document.write( "
Algebra.Com's Answer #376788 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Hint: Use the idea that nCr = (nPr)/(r!) \n" ); document.write( "
\n" );