document.write( "Question 464598: i want to know the formula to obtain answer to: how many ounces of a 15% alcohol solution must be mixed with 4 ounces of a 20% alcohol solution to make a 17% alcohol solution? I know the answer is 6 oz, but need to know how to figure it out. \n" ); document.write( "
Algebra.Com's Answer #318279 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "Let x represent the amount of 15% solution
\n" ); document.write( "Adding together to form 17% slution
\n" ); document.write( "\"highlight%28+.15x+%2B+.20%2A4%29+=+.17%284%2Bx%29\"
\n" ); document.write( " .03*4 = .02x
\n" ); document.write( " .12/.02 = x
\n" ); document.write( " x = 6 oz \n" ); document.write( "
\n" );