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8 June, 05:09

A traveler is walking on a moving walkway in an airport The Traveler must walk back on the walkway to get a bag he forgot the Travelers ground speed is 2ft/s against the walkway and 6ft/s with the walkway what is the Travellers speed off the walkway what is the speed of the moving walkway

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  1. 8 June, 08:14
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    Let the speed off the walk way be x and speed of the walkway be y

    x+y=6 ... i

    x-y=2 ... ii

    adding the above equation we get:

    2x=8

    thus

    x=4 ft/s

    and

    y=6-4=2 ft/s

    thus the speed off the walk way is 4 ft/s

    the speed of the moving walkway is 2 ft/s
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