Math problem dealing with average speed in ft per second

timer Asked: Nov 4th, 2016

Question description

Cori has this great part time job working as a mail messenger in a huge business building in the city. When she is delivering packages to the 32nd floor she is required to take a freight elevator up but she can return in a passenger elevator.  The freight elevator travels at a speed of one foot in two seconds; the passenger elevator, at five feet per second.Find the average speed for the entire trip in feet per second.

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