6th grade
posted by rebecca .
each time a ball bounces it returns to a height 2/3 the hight of the previous bounce. after the third bounce, the ball returns to a hight of 4ft. from what height was it dropped

Please identify the School Subject carefully, not your grade, so the right teachers read and answer your post.
Sra 
sorry its advanced math

anyone with any thoughts

9 feet
9 X 2/3 = 6 feet
6 X 2/3 = 4 feet 
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