document.write( "Question 349128: How many gallons of a 2% salt solution must be mixed with 40 gallons of a 8% solution to obtain a 6% solution? \n" ); document.write( "

Algebra.Com's Answer #249567 by Fombitz(32388) $\"\"$ $\"About$

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Let $\"A\"$ be the amount of 2% solution.
\n" ); document.write( " $\"2A%2B8%2840%29=6%28A%2B40%29\"$
\n" ); document.write( " $\"2A%2B320=6A%2B240\"$
\n" ); document.write( " $\"4A=80\"$
\n" ); document.write( " $\"highlight%28A=20%29\"$ gallons \n" ); document.write( "

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