document.write( "Question 438856: Serena wants to make 15 fluid oz. of a 35% alcohol solution by mixing together a 90% alcohol solution and a 10% alcohol solution. How much of each solution must she use? \n" ); document.write( "
Algebra.Com's Answer #303383 by rwm(914)\"\" \"About 
You can put this solution on YOUR website!
x+y=15
\n" ); document.write( ".9x+.1y=15*.35
\n" ); document.write( "What a waste of 90% alcohol!
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