document.write( "Question 898309: I have 6qts of juice which is 30% and I need to make it to be 40%. I am using 100% juice to get it there How much do I need?
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Algebra.Com's Answer #544755 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+.3%2A6+=+1.8+\"$ quarts of pure juice
\n" ); document.write( "Let $\"+x+\"$ = quarts of !00% pure juice
\n" ); document.write( "to be added
\n" ); document.write( "---------------
\n" ); document.write( " $\"+%28+1.8+%2B+x+%29+%2F+%28+6+%2B+x+%29+=+.4+\"$
\n" ); document.write( " $\"+1.8+%2B+x+=+.4%2A%28+6+%2B+x+%29+\"$
\n" ); document.write( " $\"+1.8+%2B+x+=+2.4+%2B+.4x+\"$
\n" ); document.write( " $\"+.6x+=+.6+\"$
\n" ); document.write( " $\"+x+=+1+\"$
\n" ); document.write( "----------
\n" ); document.write( "You need 1 quart of 100% pure juice
\n" ); document.write( "check:
\n" ); document.write( " $\"+%28+1.8+%2B+x+%29+%2F+%28+6+%2B+x+%29+=+.4+\"$
\n" ); document.write( " $\"+%28+1.8+%2B+1+%29+%2F+%28+6+%2B+1+%29+=+.4+\"$
\n" ); document.write( " $\"+2.8+%2F+7+=+.4+\"$
\n" ); document.write( " $\"+2.8+=+2.8+\"$
\n" ); document.write( "OK \n" ); document.write( "

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