document.write( "Question 436727: A survey of 900 Amercians found that 680 had confidence in the economy. If 80% of the women and 70% of the men surveyed expressed confidence in the economy, then how many women were surveyed? \n" ); document.write( "
Algebra.Com's Answer #307395 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! x+y=900 \n" ); document.write( ".80x+.70y=680 \n" ); document.write( "8x+7y=6800 \n" ); document.write( "7x+7y=6300 \n" ); document.write( "x=500 \n" ); document.write( "y=400 \n" ); document.write( "500 women were surveyed, as were 400 men.. \n" ); document.write( " |