A ball is thrown vertically upward to a height of 45 feet. Each time the ball strike the ground, its rebound is 4/5 of the previous height. How far has the ball travelled when it strikes the ground the sixth ...
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A ball is thrown vertically upward to a height of 45 feet. Each time the ball strike the ground, its rebound is 4/5 of the previous height. How far has the ball travelled when it strikes the ground the sixth ...