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morpheus_111
09-10-2009, 10:14 PM
A tree doubled its height each year until it reached its maximum height over the course of ten years.

How many years did it take for the tree to reach half its maximum height?

sabercool
09-11-2009, 02:28 AM
9 years as the tree increases double its height every year..............

Muffy
09-12-2009, 11:00 PM
yes 9 is the right answer

Beyond^Imaginations
09-13-2009, 09:53 AM
9 years

sunnyajmal
09-13-2009, 11:35 AM
yup 9

Muffy
09-13-2009, 03:49 PM
yeah...a similar question has already been asked

sunnyajmal
09-13-2009, 03:54 PM
yea i think so....

Muffy
09-13-2009, 04:24 PM
hmm

Nayab
09-27-2009, 04:45 AM
5 YEARS!

Muffy
10-02-2009, 09:54 PM
wrong answer