18:  A group of hikers from Tulsa hiked down into the Grand Canyon in 3 hours and 30 minutes.  Coming back up on a trail that was 4 miles shorter, they hiked 2 mph slower than in going down and took them one hour longer.  What was the rate in going down? Select one: a. 4 mph b. 6 mph c. 3 mph d. 5 mph

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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18: 

A group of hikers from Tulsa hiked down into the Grand Canyon in 3 hours and 30 minutes.  Coming back up on a trail that was 4 miles shorter, they hiked 2 mph slower than in going down and took them one hour longer.  What was the rate in going down?

Select one:
a. 4 mph
b. 6 mph
c. 3 mph
d. 5 mph
 
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