document.write( "Question 360984: how many gallons of a 80% anitfreeze solution must be mixed with 100 gallons of 25% antifreeze to get mixture that is 70% antifreeze? \n" ); document.write( "

Algebra.Com's Answer #257533 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let A be the amount of 80% solution.
\n" ); document.write( " $\"80A%2B25%28100%29=75%28A%2B100%29\"$
\n" ); document.write( " $\"80A%2B2500=75A%2B7500\"$
\n" ); document.write( " $\"5A=5000\"$
\n" ); document.write( " $\"highlight%28A=1000%29\"$ gallons
\n" ); document.write( " \n" ); document.write( "

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