SOLUTION: a man walks 2hours at a certain speed .he then cycles at 3times that speed for 4hours he goes 77km altogether.find the speed at which he walks

Question 1164511: a man walks 2hours at a certain speed .he then cycles at 3times that speed for 4hours he goes 77km altogether.find the speed at which he walks
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
a man walks 2 hours at a certain speed .he then cycles at 3 times that speed for 4 hours he goes 77 km altogether.find the speed at which he walks
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w = walking speed
t = time walking = 2
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2w + 3*w*4 = 77
14w = 77
w = 5.5 km/hr

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