document.write( "Question 358002: How many liters of 80% salt solution would we need to mix with 12 liters of 30% salt solution to produce a 40% salt solution as a result? \n" ); document.write( "

Algebra.Com's Answer #255560 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let A be the amount of 80% solution.
\n" ); document.write( " $\"80A%2B30%2812%29=40%28A%2B12%29\"$
\n" ); document.write( " $\"80A%2B360=40A%2B480\"$
\n" ); document.write( " $\"40A=120\"$
\n" ); document.write( " $\"highlight%28A=3%29\"$ liters.
\n" ); document.write( " \n" ); document.write( "

\n" );