document.write( "Question 1031142: Lisa will make punch that is 25% fruit juice by adding pure fruit juice to a 2 liter mixture that is 10& pure fruit juice. How many liters of pure fruit juice does she need to add? \n" ); document.write( "

Algebra.Com's Answer #645881 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = liters of pure fruit juice to be added
\n" ); document.write( " $\"+.1%2A2+=+.2+\"$ liters of pure juice in 10% mixture
\n" ); document.write( "--------------------
\n" ); document.write( " $\"+%28+x+%2B+.2+%29+%2F+%28+x+%2B+2+%29+=+.25+\"$
\n" ); document.write( " $\"+x+%2B+.2+=+.25%2A%28+x+%2B+2+%29+\"$
\n" ); document.write( " $\"+x+%2B+.2+=+.25x+%2B+.5+\"$
\n" ); document.write( " $\"+.75x+=+.3+\"$
\n" ); document.write( " $\"+x+=+.4+\"$
\n" ); document.write( ".4 liters of pure fruit juice needs to be added
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+x+%2B+.2+%29+%2F+%28+x+%2B+2+%29+=+.25+\"$
\n" ); document.write( " $\"+%28+.4+%2B+.2+%29+%2F+%28+.4+%2B+2+%29+=+.25+\"$
\n" ); document.write( " $\"+.6+%2F+2.4+=+.25+\"$
\n" ); document.write( " $\"+.6+=+.25%2A2.4+\"$
\n" ); document.write( " $\"+.6+=+.6+\"$
\n" ); document.write( "OK \n" ); document.write( "

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