document.write( "Question 874898: A scientist needs 60 liters of a 40% acid solution. He currently has a 30% solution and a 60% solution. How many liters of each does he need to make the needed 60 liters of 40% acid solution? \n" ); document.write( "
Algebra.Com's Answer #527836 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent ---------------- quantity \n" ); document.write( "Acid type I 60.00% ---------------- x liters \n" ); document.write( "acid type II 30.00% ------ 60 - x liters \n" ); document.write( "Mixture 40.00% ---------------- 60 \n" ); document.write( "Total 60 liters \n" ); document.write( "60.00% x + 30.00% ( 60 - x ) = 40.00% * 60 \n" ); document.write( "60 x + 30 ( 60 - x ) = 2400 \n" ); document.write( "60 x + 1800 - 30 x = 2400 \n" ); document.write( "60 x - 30 x = 2400 - -1800 \n" ); document.write( "30 x = 600 \n" ); document.write( "/ 30 \n" ); document.write( " x = 20 liters 60.00% Acid type I \n" ); document.write( " 40 liters 30.00% acid type II \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |