document.write( "Question 272631: How many quarts of pure antifreeze must be added to 6 quarts of a 10% solution to obtain a 20% antifreeze soltuion? (Round to the nearest tenth.) \n" ); document.write( "

Algebra.Com's Answer #854097 by josgarithmetic(39790) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "PERCENT           VOL.          PURE\r\n" );
document.write( " 100               v             1.0v\r\n" );
document.write( "  10               6             0.1*6\r\n" );
document.write( "  20              v+6           v+0.1*6\r\n" );
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\r
\n" ); document.write( "\n" ); document.write( " $\"%28v%2B0.1%2A6%29%2F%28v%2B6%29=0.2\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"v%2B0.6=0.2%28v%2B6%29\"$
\n" ); document.write( " $\"v%2B0.6=0.2v%2B1.2\"$
\n" ); document.write( " $\"v-0.2v=1.2-0.6\"$
\n" ); document.write( " $\"0.8v=0.6\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28v=3%2F4%29\"$ \n" ); document.write( "

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