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Cory buys and sells baseball cards on ebay. He always buys at the same price and then sells the cards for $2 more than he buys them. One month he...

Cory buys and sells baseball cards on ebay.
He always buys at the same price and then sells the cards
for $2 more than he buys them. One month he broke even
after buying 56 cards and selling 49. Find his buying price
and selling price.

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