document.write( "Question 408681: 500 people were surveyed at a blood drive; 215 gave blood, 153 set-up and 89 did both, how many people did neither?\r
\n" );
document.write( "\n" );
document.write( "How would I set this up? \n" );
document.write( "
Algebra.Com's Answer #287838 by robertb(5830)![]() ![]() You can put this solution on YOUR website! 500 - (215 + 153 - 89) = 221. \n" ); document.write( " |