Relative speed
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A child in an airport is able to cover 392 meters in 4 minutes running at a steady speed down a moving sidewalk in the direction of the sidewalk's motion. Running at the same speed in the direction opposite to the sidewalk's movement, the child is able to cover 350 meters in 5 minutes. What is the child's running speed on a still sidewalk, and what is the speed of the moving sidewalk?
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Solution Summary
This provides an example of solving a relative speed word problem.
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let child's running speed on a still sidewalk = x meter/minute
speed of the moving sidewalk = y meter/minute
392 meters in ...
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