SOLUTION: At 18 feet above ground level, Ryan steps onto an escalator that descends at a constant rate of 1.5 feet per second. Ryan's distance from the ground is given by the following formu
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Question 388822: At 18 feet above ground level, Ryan steps onto an escalator that descends at a constant rate of 1.5 feet per second. Ryan's distance from the ground is given by the following formula where d is the distance from the ground, in feet,and n is the number of seconds he has been on the escalator.
d=18-1.5n
In how many seconds after Ryan steps onto the escalator will he be 8.25 feet from the ground? Answer by rfer(16322) (Show Source):
(