document.write( "Question 888298: how much water should be added to 300 litres of a solution so that its concentration may change from 25% to 20%? \n" ); document.write( "
Algebra.Com's Answer #537252 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Add W liters of water. \n" ); document.write( "300*25 + W*0 = (300 + W)*20 \n" ); document.write( "7500 = 20W + 6000 \n" ); document.write( "W = 75 liters \n" ); document.write( " |