document.write( "Question 920969: A 12-oz serving of mountain Dew contains 55 mg of caffeine how much caffeine is in an 18-oz serving of mountain dew? \n" ); document.write( "
Algebra.Com's Answer #558663 by stanbon(75887)\"\" \"About 
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A 12-oz serving of mountain Dew contains 55 mg of caffeine how much caffeine is in an 18-oz serving of mountain dew?
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\n" ); document.write( "Use a proportion::
\n" ); document.write( "x/18 = 55/12
\n" ); document.write( "x = (18/12)55
\n" ); document.write( "x = (3/2)55
\n" ); document.write( "x = 82.5 mg
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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