SOLUTION: saide and jose are in chicago o hare airport walking between terminals. sadie walks on the moving walkway( like a flat esculator moving along the floor). Her speed(relative to the

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Question 165367: saide and jose are in chicago o hare airport walking between terminals. sadie walks on the moving walkway( like a flat esculator moving along the floor). Her speed(relative to the ground) is 220 ft per minute. jose starts at the same time and walks alongside teh walkway at a speed of 100 ft per minute. how long have they been walking when sadie is 600 ft ahead of jose?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Her speed(relative to the ground) is 220 ft per minute. jose starts at the same time and walks alongside the walkway at a speed of 100 ft per minute. how long have they been walking when sadie is 600 ft ahead of jose?
:
Actually you can do this in your head using relative speed which is 120 ft/min
600/120 = 5 min
:
Algebra way
Let t = time (in minutes) for them to be 600 ft apart
:
220t - 100t = 600
120t = 600
t = 600%2F120
t = 5 min