document.write( "Question 208325: What quantity of 75 per cent acid solution must be mixed with a 25 solution to produce 480 mL of a 50 per cent solution?
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Algebra.Com's Answer #157595 by rfer(16322) $\"\"$ $\"About$

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.75x+.25(480-x)=480*.50
\n" ); document.write( ".75x+120-.25x=240
\n" ); document.write( ".5x=120
\n" ); document.write( "x=240
\n" ); document.write( "240 ml of each \n" ); document.write( "

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