# math

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a ball is dropped 128 feet from the roof of a building with each bounce the ball goes up exactly half its previous height. A man is sitting at his desk on the second floor. How many times will he see the ball if his eye level is 15 feet above the ground?

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Halves give you these bounces. You figure it out.

128, 64, 32, 16, 8, 4, 2, 1

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