document.write( "Question 419023: a 25 liter solution of alcohol in water is 72% alcohol.How many liters of an 80% solution must be added if the final solution is to be 75% alcohol? \n" ); document.write( "
Algebra.Com's Answer #320169 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! 25(.72)+.80p=.75(25+p) \n" ); document.write( "18+.80p=18.75+.75p \n" ); document.write( ".05p=.75 \n" ); document.write( "p=.75/.05=15 \n" ); document.write( "You need 15 liters of .8 alcohol for your solution.. \n" ); document.write( " |