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Algebra 16 Online
OpenStudy (anonymous):

Nicole observes a flat escalator has a speed of 2 miles per hour. Brad is on the escalator and walks at a speed of 1 mile per hour relative to the escalator in the same direction as the escalator. What speed does Nicole observe Brad moving, in miles per hour?

OpenStudy (agent0smith):

|dw:1364203622830:dw| How fast do you think she'll observe him moving?

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