To mail a package, the rate is x cents for the first pound and y cents for each additional pound, where x > y. Two packages weighing 3 pounds and 5 pounds, respectively, can be mailed separately or combined as one package. Which method is cheaper, and how much money is saved?
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ACombined, with a saving of x - y cents
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BCombined, with a saving of y - x cents
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CCombined, with a saving of x cents
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DSeparately, with a saving of x- y cents
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ESeparately, with a saving of y cents