A child in an airport is able to cover 270 meters in 3 minutes running at a speed down a moving sidewalk in the direction of the sidewalks motion. Running at the same speed in the direction opposite to the sidewalk's movement, the child is able to cover 256 meters in 4 mintues. What is the child's running speed and the she speed of the moving sidewalk?
The speed of two objects is found using systems of equations. The solution is detailed and well presented. The response was given a rating of "5/5" by the student who originally posted the question.
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