Question

a tree measured 12 1/2 feet tall. over the next 5 1/2 years it grew to be 51 feet left. During 5 1/2 years, what was the average yearly growth rate of the tree?

Answer 1

• 7 feet per year

Explanation:

Average growth rate is the difference in growth over the period of the time:

• (51 - 12 1/2) ÷ 5 1/2 =
• (102 - 25)/2 ÷ 11/2 =
• 77/2 × 2/11 =
• 7 feet / year