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Social Studies, 02.03.2021 18:10 kaitlyn114433

Kate likes to walk down moving escalators and she takes one step at a time. when she walks down at a rate of 2 steps per second, she reaches the bottom from top after 18 steps. when she is exhausted she will walk down at a rate of 1 step per second and she will reach bottom from top after 12 steps. find the time taken for her to reach bottom from top if she just stands on escalator?​

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