Question

A tree initially measured 18 feet tall over the next 3 1/2 years it grew to a final height of 35 1/2 feet during those 3 1/2 years what was the average yearly growth rate of the height of the tree

Answer 1

35.5 minus 18 is 17.5

17.5 divided by 3.5 is 5

the average growth during the last 3 1/2 years was 5 feet, each year