SOLUTION: 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

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Question 36883: 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 204 meters in 3 minutes. What is the child's running speed on a still sidewalk, and what is the speed of the moving sidewalk?

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
392/4=98 & 204/3=68 OR (98-68)/2= 30/2=15 METERS PER MIN IS THE SPEED OF THE SIDEWALK &
CHILD'S SPEED IS 98-15=83 METERS/MIN OR 68+15=83 METERS/MIN