document.write( "Question 602299: Please help me to answer this problem:\r
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document.write( "There are 40 Liters of 50% acid solution that should be reduced to a 40% acid solution. How much of acid solution must be drained off with distilled water so that the resulting solution contains only 40% acid? \n" );
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Algebra.Com's Answer #380201 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent ---------------- quantity \n" ); document.write( "Acid Solution I 50.00% ---------------- x liters \n" ); document.write( "Water 0.00% ------ 40 - x liters \n" ); document.write( "Mixture 40.00% ---------------- 40 \n" ); document.write( "50.00%x+ 0.00%(40-x)=40.00%*40 \n" ); document.write( "50x+0(40 -x)=1600 \n" ); document.write( "50x =1600 \n" ); document.write( " \n" ); document.write( "/ 50 \n" ); document.write( " x = 32 liters 50.00% Acid Solution I \n" ); document.write( " 8 liters Water \n" ); document.write( " 8 liters will have to be drained off \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |