Question

A tree 11 feet high grows at the rate of 3 feet each year. How many years will it take for the tree to grow to a height of 29 feet?

Answer 1

29 - 11 = 18
18 / 3 = 6

If growing at the constant rate of 3ft/y then it will take 6 years for the tree to reach the height of 29 feet.