document.write( "Question 752132: xml of pure alcohol is added to 400ml of a 15%solution now the strength becomes 32%.what is the value of x
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Algebra.Com's Answer #457571 by josmiceli(19441) $\"\"$ $\"About$

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$\"+.15%2A400+=+60+\"$ ml of alcohol in 15% solution
\n" ); document.write( " $\"+%28+60+%2B+x+%29+%2F+%28+400+%2B+x+%29+=+.32+\"$
\n" ); document.write( " $\"+60+%2B+x+=+.32%2A%28+400+%2B+x+%29+\"$
\n" ); document.write( " $\"+60+%2B+x+=+128+%2B+.32x+\"$
\n" ); document.write( " $\"+.68x+=+68+\"$
\n" ); document.write( " $\"+x+=+100+\"$
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\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+60+%2B+x+%29+%2F+%28+400+%2B+x+%29+=+.32+\"$
\n" ); document.write( " $\"+%28+60+%2B+100+%29+%2F+%28+400+%2B+100+%29+=+.32+\"$
\n" ); document.write( " $\"+160+%2F+500+=+.32+\"$
\n" ); document.write( " $\"+160+=+160+\"$
\n" ); document.write( "OK \n" ); document.write( "

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