At a concession stand, three hot dog (s) and four hamburger (s) cost $9.00; four hot dog
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At a concession stand, three hot dog (s) and four hamburger (s) cost $9.00; four hot dog (s) and three hamburger (s) cost $8.50. Find the cost of one hot dog and the cost of one hamburger. What is the cost of one hot dog?
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