44. How Far Is the Fall? In a hotel each story is exactly 10 feet high. From ground level to the floor of the 3rd story is therefore 30 feet, and from ground level to the 10th story is 100 feet. Using the same measurement, how far is it from the ground to the floor of the 20th story? Added 3 March 2010 Show Hint Show Solution Hint: Assume that every floor adds the same vertical distance. Solution: Since each story adds 10 feet of height, the distance from the ground to the floor of the nth story is 10 × n feet. For n = 20 this is 10 × 20 = 200 feet.
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