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7 February, 15:12

Imagine that you take a road trip from A to D, but you have to do it in segments. Let's say the distance from A to B is 145 miles; from B to C is 160 miles, and C to D is 115 miles. It takes you 6 hours to drive from A to D. What was your average speed (in miles per hour) during your trip from A to D? (Hint: How many miles did you drive from A to D? Then divide the total miles by the number of hours).

A. 50

B. 60

C. 70

D. 80

E. 90

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Answers (1)
  1. 7 February, 18:36
    0
    C

    Step-by-step explanation:

    The average speed can be obtained by adding the distances together and dividing by the total amount of time.

    The total distance the man traveled from A to D is the addition of the distance from A to B plus the distance from B to C plus the distance from C to D. This is mathematically equal to 145 + 160 + 115 = 420 miles.

    Dividing 420 miles by 6 = 70 miles per hour
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