The vector u = (3240, 1450, 2235) gives the numbers of hamburgers, chicken sandwiches, and cheeseburgers, respectively,
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The vector u = (3240, 1450, 2235) gives the numbers of hamburgers, chicken sandwiches, and cheeseburgers, respectively, sold at a fast-food restaurant in one week. The vector v = (2.25, 2.95, 2.65) gives the prices (in dollars) per unit for the three food items. Find the dot product u . v, and explain what information it gives.
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