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posted by alicia on Sunday, January 27, 2013 at 7:19pm.
It cost $15.00 to buy 150 sheets of brand A's paper. it cost $19.25 to buy 175 sheets of brand B's paper. Which brand has the better value and by how much?
15/150 = $0.10 a sheet 19.25/175 = $0.11 a sheet
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