ANSWERS: 1
  • If you just take a few minutes to think your way through this problem, then it really is not that difficult to solve. You are not told that the person ever turns. So, it can be assumed that she drives in a straight line. So, all you have to worry about is speed and time. You can also ignore the time period during which she is stopped to eat lunch as she is not moving and, therefore, her distance from her origin is not changing. So you simply have to us the equation for calculating distance (d=vt) on the three different legs of the trip and then add them up.

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