document.write( "Question 238300: how many liters of a 75% solution should be mixed with 55% solution to get 70 liters of a 63% solution? \n" ); document.write( "
Algebra.Com's Answer #175129 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .75X+.55(70-X)=.63*70 \n" ); document.write( ".75X+38.5-.55X=44.1 \n" ); document.write( ".20X=44.1-38.5 \n" ); document.write( ".20X=5.6 \n" ); document.write( "X=5.6/.20 \n" ); document.write( "X=28 LITERS OF 75% SOLUTION. \n" ); document.write( "70-28=42 LITERS OF 55% SOLUTION. \n" ); document.write( "PROOF: \n" ); document.write( ".75*28+.55*42=.63*70 \n" ); document.write( "21+23.1=44.1 \n" ); document.write( "44.1=44.1 \n" ); document.write( " |