SOLUTION: A tree was planted when it was 4 feet tall and thereafter grew an equal number of feet each year. At the end of 6 years it was twice as tall as it had been at the end of 2 years. H

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Question 289042: A tree was planted when it was 4 feet tall and thereafter grew an equal number of feet each year. At the end of 6 years it was twice as tall as it had been at the end of 2 years. How tall was the tree at the end of 4 years?
(a) 12 feet (b) 13 feet (c) 14 feet (d) 15 feet (e) None of the above




Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let g="annual growth"

4 + 6g = 2(4 + 2g)

find g, and then calculate height at 4 yrs