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17 December, 16:49

A rural mail carrier logged the mileage on the odometer at the start of the mail route as 31,500 miles. After 6.5 hours, the carrier returned the truck and recorded the mileage at 31,713 miles. What was the average velocity of the mail truck? Explain your reasoning.

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  1. 17 December, 20:04
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    Step-by-step explanation:

    Average speed = total distance / total time taken

    Average speed is the total distance traveled divided by the total time taken

    The carrier first odometer route is

    d_1 = 31,500 miles

    On return of the truck, the odometer reads

    d_2 = 31,713 miles

    The total time taken is 6.5 hours on return

    Then,

    Average Speed = total distance / total time.

    A. V = (d_1 + d_2) / t

    A. V = (31,500 + 31713) / 6.5

    A. V = 63213 / 6.5

    A. V = 9725.1 mile per hour

    A. V = 9725.1 mph
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