A toll bridge charges 100 for passenger cars and 275 for, Ask an Expert

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A toll bridge charges $1.00 for passenger cars and $2.75 for other vehicles. Suppose that during daytime hours, 60% of all vehicles are passenger cars. If 15 vehicles cross the bridge during a particular daytime period, what is the resulting expected toll revenue? [Hint: Let X = the number of passenger cars; then the toll revenue h(X) is a linear function of X.]

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