SOLUTION: A child is running on a moving sidewalk in an airport. When she runs against the sidewalk's motion, she travels 56ft in 8 seconds. When she runs with the sidewalk's motion, she tra
Algebra ->
Customizable Word Problem Solvers
-> Travel
-> SOLUTION: A child is running on a moving sidewalk in an airport. When she runs against the sidewalk's motion, she travels 56ft in 8 seconds. When she runs with the sidewalk's motion, she tra
Log On
Question 1128724: A child is running on a moving sidewalk in an airport. When she runs against the sidewalk's motion, she travels 56ft in 8 seconds. When she runs with the sidewalk's motion, she travels 120ft in 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? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = child rate of running
Let = rate of the sidewalk ft/sec ft/sec
-------------------------------
----------------- Add
and
---------------------
Child's rate is 11 ft/sec
Moving sidewalk's rate is 4 ft/sec
