document.write( "Question 375273: how many liters of a 20 percent solution must be mixed with 60 liters of a 90 percent solution to get a 70 percent solution \n" ); document.write( "

Algebra.Com's Answer #266953 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let A be the amount of 20% solution added.
\n" ); document.write( " $\"20A%2B90%2860%29=70%28A%2B60%29\"$
\n" ); document.write( " $\"2A%2B540=7A%2B420\"$
\n" ); document.write( " $\"-5A=-120\"$
\n" ); document.write( " $\"highlight%28A=24%29\"$ liters \n" ); document.write( "

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