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Mathematics 9 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

45% of x is 3 ft...find x...

jimthompson5910 (jim_thompson5910):

New Height = 45% of Original Height 3 = 0.45x 3/0.45 = x 6.67 = x x = 6.67 So the ball originally dropped from 6.67 feet.

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