document.write( "Question 346723: Hello theres one question on my alegebra that i just cannot figure it's: How many liters of water must be added to 30liters of a 20% alcohol solution to dilute it to a 15% solution? \n" ); document.write( "
Algebra.Com's Answer #247923 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! How many liters of water must be added to 30liters of a 20% alcohol solution to dilute it to a 15% solution? \n" ); document.write( ". \n" ); document.write( "Let x = liters of water to add \n" ); document.write( "then \n" ); document.write( "\"amt of alcohol at start\" = \"amt of alcohol at end\" \n" ); document.write( ".20(30) = .15(30+x) \n" ); document.write( "6 = 4.5+.15x \n" ); document.write( "1.5 = .15x \n" ); document.write( "1.5/.15 = x \n" ); document.write( "10 liters = x \n" ); document.write( " \n" ); document.write( " |