document.write( "Question 1118862: In how many ways can seven people line up at a checkout counter in a supermarket? \n" ); document.write( "
Algebra.Com's Answer #734283 by ikleyn(52876)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "7! = 7*6*5*4*3*2*1 = 5040 ways\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );