document.write( "Question 127775: an orchard operator must dilute 11 quarts of 60% insecticide solution by adding water. How many quarts of water should be added to get a mixture that is 2% insecticide? \n" ); document.write( "

Algebra.Com's Answer #93597 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
In words,
\n" ); document.write( "(amount of insecticide)/(water added + original solution) = .02
\n" ); document.write( "Let $\"w\"$ = water to be added
\n" ); document.write( " $\".6%2A11+%2F+%28w+%2B+11%29+=+.02\"$
\n" ); document.write( " $\"6.6+%2F+%28w+%2B+11%29+=+.02\"$
\n" ); document.write( " $\"6.6+=+.02%28w+%2B+11%29\"$
\n" ); document.write( " $\"6.6+=+.02w+%2B+.22\"$
\n" ); document.write( " $\".02w+=+6.6+-+.22\"$
\n" ); document.write( " $\".02w+=+6.38\"$
\n" ); document.write( " $\"w+=+319\"$
\n" ); document.write( "319 quarts of water need to be added
\n" ); document.write( "check:
\n" ); document.write( " $\"6.6+%2F+%28w+%2B+11%29+=+.02\"$
\n" ); document.write( " $\"6.6+%2F+%28319+%2B+11%29+=+.02\"$
\n" ); document.write( " $\"6.6+%2F+330+=+.02\"$
\n" ); document.write( " $\".02+=+.02\"$
\n" ); document.write( "OK \n" ); document.write( "

\n" );