document.write( "Question 907384: how many liters of a 70% alcohol solution must be mixed with 40 liters of a 90% solution to get a 80% solution? \n" ); document.write( "
Algebra.Com's Answer #550317 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! x amount of 70% solution \n" ); document.write( ".70x + .90(40L) = .80(40L + x) \n" ); document.write( " .10(40L)/.10 = x = 40L, amount of 70% solution \n" ); document.write( " \n" ); document.write( " |