document.write( "Question 364431: How much pure alcohal should be added to 400 ml of 15% strength to make its strength 32%? \n" ); document.write( "
Algebra.Com's Answer #259851 by Fombitz(32388)\"\" \"About 
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Pure alcohol is 100% strength.
\n" ); document.write( "Let \"X\" be the amount of pure alcohol added.
\n" ); document.write( "\"100X%2B15%28400%29=32%28X%2B400%29\"
\n" ); document.write( "\"100X%2B6000=32X%2B12800\"
\n" ); document.write( "\"68X=6800\"
\n" ); document.write( "\"highlight%28X=100%29\"ml
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