Average Speed Calculation
A man walks around a house in a rectangular path. He travels 70 feet across the front, 30 feet along one side, 70 feet across the back, and 30 feet along the other side, returning to his starting point. If the walk takes exactly 2 minutes to complete, what is his average speed?
A
0 feet/minute
B
200 feet/minute
C
100 feet/minute to the west
D
100 feet/minute
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