SOLUTION: A ball dropped from a certain height rises after bouncing to 45% of its original height. After bouncing if the ball raises 3 1/5 ft. What is the height from which it was dropped?

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Question 250788: A ball dropped from a certain height rises after bouncing to 45% of its original height. After bouncing if the ball raises 3 1/5 ft. What is the height from which it was dropped?
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
ball rises to 45% of its original height.

it rose 3.2 feet.

the height from which it dropped is equal to 3.2 / .45 = 7.11111111 feet.

if fell from 7.11111111 feet and rose to 45% of 7.1111111 = 3.2 feet.