document.write( "Question 604450: Lisa will make punch that is 25% fruit juice by
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document.write( "adding pure fruit juice to a 2-liter mixture that
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document.write( "is 10% pure fruit juice. How many liters of pure
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document.write( "fruit juice does she need to add? \n" );
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Algebra.Com's Answer #381201 by alicealc(293)![]() ![]() ![]() You can put this solution on YOUR website! pure fruit juice means 100% fruit juice \n" ); document.write( "let the pure fruit juice = x liter\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "100%*x + 10%*2 = 25%*(x + 2) \n" ); document.write( "(omit all the % sign) \n" ); document.write( "100*x + 10*2 = 25*(x + 2) \n" ); document.write( "100x + 20 = 25x + 50 \n" ); document.write( "100x - 25x = 50 - 20 \n" ); document.write( "75x = 30 \n" ); document.write( "x = 30/75 = 10/25 = 2/5 = 0.4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so, she needs to add 0.4 liter of pure fruit juice \n" ); document.write( " \n" ); document.write( " |