document.write( "Question 344077: A pharmacist has 20 L of a 10% drug solution. How many liters of 5% solution must be added to get a mixture that is 8%? \n" ); document.write( "
Algebra.Com's Answer #246168 by Fombitz(32388)\"\" \"About 
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Let A be the amount of 5% solution.
\n" ); document.write( "\"10%2820%29%2B5%28A%29=8%2820%2BA%29\"
\n" ); document.write( "\"200%2B5A=160%2B8A\"
\n" ); document.write( "\"3A=40\"
\n" ); document.write( "\"highlight%28A=40%2F3%29\"liters.
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