document.write( "Question 132499This question is from textbook Holt Algebra 1
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document.write( ": How much pure water must be mixed with 2 liters of a 40% solution of antifreeze to get a 25% anitfreeze solution? \n" );
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Algebra.Com's Answer #96856 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How much pure water must be mixed with 2 liters of a 40% solution of antifreeze to get a 25% antifreeze solution? \n" ); document.write( "--------------- \n" ); document.write( "40% solution DATA: \n" ); document.write( "Amt. = 2 liters ; amt. of active ingredient = 0.4*2 = 0.8 liters \n" ); document.write( "---------------- \n" ); document.write( "Pure water DATA: \n" ); document.write( "Amt. = x liters ; amt of active ingredient = 0*x = 0 liters \n" ); document.write( "----------------- \n" ); document.write( "Mixture DATA: \n" ); document.write( "Amt. = (2+x) liters ; amt of active = 0.25(2+x) = 0.5+0.25x liters \n" ); document.write( "-------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "active + active = active \n" ); document.write( "0.8 + 0 = 0.5+0.25x \n" ); document.write( "0.3 = 0.25x \n" ); document.write( "x = 1.2 liters ( amt. of water needed for the mixture ) \n" ); document.write( "--------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |