document.write( "Question 426477: A science teacher has one solution which is 20% pure salt and another solution which is 50% pure salt. How much of each solutionshould she mix if she wants 30 ounces of a 30% pure salt solution? \n" ); document.write( "
Algebra.Com's Answer #296660 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
.2x+.5(30-x)=30*.3
\n" ); document.write( ".2x+15-.5x=9
\n" ); document.write( "-.3x=-6
\n" ); document.write( "x=6/.3
\n" ); document.write( "=20 oz. of 20% and 10 oz of 50%
\n" ); document.write( ".
\n" ); document.write( "Ed
\n" ); document.write( "
\n" );