document.write( "Question 891498: One thousand liters of a solution was avaliable, but the solution was 60% alcohol. A solution of 45% alcohol is needed. How many liters of alcohol have to be extracted so that the solution is 45% alcohol? \n" ); document.write( "

Algebra.Com's Answer #539841 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+.6%2A1000+=+600+\"$ liters of alcohol in 60% solution
\n" ); document.write( "Let $\"+x+\"$ = liters of alcohol to be extracted
\n" ); document.write( "---------------------
\n" ); document.write( " $\"+%28+600+-+x+%29+%2F+%28+1000+-+x+%29+=+.45+\"$
\n" ); document.write( " $\"+600+-+x+=+.45%2A%28+1000+-+x+%29+\"$
\n" ); document.write( " $\"+600+-+x+=+450+-+.45x+\"$
\n" ); document.write( " $\"+.55x+=+150+\"$
\n" ); document.write( " $\"+x+=+272.73+\"$
\n" ); document.write( "272.73 liters of alcohol must be extracted
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+600+-+x+%29+%2F+%28+1000+-+x+%29+=+.45+\"$
\n" ); document.write( " $\"+%28+600+-+272.73+%29+%2F+%28+1000+-+272.73+%29+=+.45+\"$
\n" ); document.write( " $\"+327.27+%2F+727.27+=+.45+\"$
\n" ); document.write( " $\"+327.27+=+.45%2A727.27+\"$
\n" ); document.write( " $\"+327.27+=+327.27+\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

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