Rate of the child on a still sidewalk

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Reference no: EM131720823

A child is running on a moving sidewalk in an airport. When she runs against the sidewalk's motion, she travels 91ft in 13 seconds. When she runs with the sidewalk's motion, she travels 169 ftin the same amount of time. What is the rate of the child on a still sidewalk and what is the rate of the moving sidewalk?

Reference no: EM131720823

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