Problema Solution
A child is running on a moving sidewalk in an airport. When he runs against the sidewalk's motion, he travels 28 feet in 7 seconds. When he runs with the sidewalk's motion, he travels 80 feet in 8 seconds. What is the rate of the child on a still sidewalk and what is the rate of the moving sidewalk?
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A child is running on a moving sidewalk in an airport. When he runs against the sidewalk's motion, he travels 28 feet in 7 seconds. When he runs with the sidewalk's motion, he travels 80 feet in 8 seconds. What is the rate of the child on a still sidewalk and what is the rate of the moving sidewalk?