Nita Sweigart
Sunday, January 15, 2012
College algebra word problems?
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in january 2006 u.s first-cl mail rates increased to 39 cents for the first ounce, plus 24 cents for eacha additional ounce. If Sabrina spent $15 for a total of 45 stamps of these two denomincations, how many stamps of each denomination did she buy?
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