SOLUTION: Annie walks28feet in 4 seconds towards the front of the train that's moving at 70feet per second. What is Annie's rate of travel with respect to the land?

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Question 957860: Annie walks28feet in 4 seconds towards the front of the train that's moving at 70feet per second. What is Annie's rate of travel with respect to the land?
Answer by Alan3354(69443) About Me  (Show Source):
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Annie walks28feet in 4 seconds towards the front of the train that's moving at 70feet per second. What is Annie's rate of travel with respect to the land?
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28/4 = 7 ft/sec
7 + 70 = 77 ft/sec