document.write( "Question 69848: A chemist needs 120 milliliters of a 59% solution but has only 32% and 68% solutions available. Find how many milliliters of each that should be mixed to get the disired solution.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #49762 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! 120*.59=.32X+.68(120-X) \n" ); document.write( "70.8=.32X+81.6-.68X \n" ); document.write( ".68X-.32X=81.6-70.8 \n" ); document.write( ".36X=10.8 \n" ); document.write( "X=10.8/.36 \n" ); document.write( "X=30 MILLILETERS OF 32% SOLUTION & \n" ); document.write( "120-30=90 MILLILETERS OF 68% SOLUTION \n" ); document.write( "PROOF \n" ); document.write( "70.8=.32*30+.68*61.2 \n" ); document.write( "70.8=9.6+61.2 \n" ); document.write( "70.8=70.8 \n" ); document.write( " |