document.write( "Question 801308: how many ounces of a 15% alcohol solution must be mixed with 9 ounces of a 20% alcohol solution to make a 18% alcohol solution \n" ); document.write( "
Algebra.Com's Answer #483512 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
--- percent ---------------- Amount
\n" ); document.write( "Alcohol Solution I 20 ---------------- 9 ounces
\n" ); document.write( "Alcohol solution II 15 ---------------- x ounces
\n" ); document.write( "Mixture 18 ---------------- 9 + x ounces
\n" ); document.write( "
\n" ); document.write( "20 * 9 + 15 x = 18 ( 9 + x )
\n" ); document.write( "180 + 15 x = 162 + 18 x
\n" ); document.write( "15 x -18 x = -180 + 162
\n" ); document.write( "-3 x = -18
\n" ); document.write( "/ -3
\n" ); document.write( "x = 6 ounces Alcohol solution II
\n" ); document.write( "
\n" ); document.write( "m.ananth@hotmail.ca
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" );