document.write( "Question 751662: Can you help me with this word problem? A mechanic has 30 pints of an antifreeze-and-water solution that is 80% antifreeze. How any pints of water should be added to make a solution that is 60% antifreeze? \n" ); document.write( "

Algebra.Com's Answer #457357 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+.8%2A30+=+24+\"$ pints of antifreeze in 80% solution
\n" ); document.write( "Let $\"+w+\"$ = pints of water to be added
\n" ); document.write( "to make solution 60% antifreeze
\n" ); document.write( "---------------
\n" ); document.write( " $\"+24+%2F+%28+30+%2B+w+%29+=+.6+\"$
\n" ); document.write( " $\"+24+=+.6%2A%28+30+%2B+w+%29+\"$
\n" ); document.write( " $\"+24+=+18+%2B+.6w+\"$
\n" ); document.write( " $\"+.6w+=+6+\"$
\n" ); document.write( " $\"+w+=+10+\"$
\n" ); document.write( "10 pints of waters needs to be added
\n" ); document.write( "check:
\n" ); document.write( " $\"+24+%2F+%28+30+%2B+w+%29+=+.6+\"$
\n" ); document.write( " $\"+24+%2F+%28+30+%2B+10+%29+=+.6+\"$
\n" ); document.write( " $\"+24+%2F+40+=+.6+\"$
\n" ); document.write( " $\"+24+=+.6%2A40+\"$
\n" ); document.write( " $\"+24+=+24+\"$
\n" ); document.write( "OK \n" ); document.write( "

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