document.write( "Question 580575: Salt Solution A chemist has 5gallons of salt solution with a concentration of 0.2pound per gallon and another solution with a concentration of 0.5 pound per gallon solution so that he ends up with 5 gallons of a 0.3pound oer gallon? \n" ); document.write( "

Algebra.Com's Answer #371293 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"+x+\"$ = gallons of .5 pound/gallon solution needed
\n" ); document.write( " $\"+.5x+\"$ = pounds of salt in .5 pound/gallon solution
\n" ); document.write( " $\"+.2%2A5+=+1+\"$ = pounds of salt in .2 pound/gallon solution
\n" ); document.write( "--------------
\n" ); document.write( " $\"+%28+.5x+%2B+1+%29+%2F+5+=+.3+\"$
\n" ); document.write( " $\"+.5x+%2B+1+=+.3%2A5+\"$
\n" ); document.write( " $\"+.5x+%2B+1+=+1.5+\"$
\n" ); document.write( " $\"+.5x+=+.5+\"$
\n" ); document.write( " $\"+x+=+1+\"$
\n" ); document.write( "1 gallon of .5 pound/gallon solution is needed
\n" ); document.write( "check answer:
\n" ); document.write( " $\"+%28+.5%2A1+%2B+1+%29+%2F+5+=+.3+\"$
\n" ); document.write( " $\"+1.5%2F5+=+.3+\"$
\n" ); document.write( " $\"+1.5+=+1.5+\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

\n" );