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Escalator 1

  1. Dec 10, 2005 #1
    An escalator is descending at constant speed . A walks down and takes 50 steps to reach the bottom. B runs down and takes 90 steps in the same time as A takes 10 steps. How many steps are visible when the escalator is not operating?
  2. jcsd
  3. Dec 12, 2005 #2


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    You have posted 7 problems in a row without showing any attempt to do them yourself! The only way to learn mathematics is to do mathematics- yourself!
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