Question

Mary found that the elm tree in her yard added about 3/8 of an inch to the diameter of its trunk every year. If the diameter of the tree is about 12 inches, then the tree is about how many years old. (write and solve a fraction division problem to solve​

Answer 1

3/8 inch in year = 1

Explanation:

12 inch in years = 12 / (3/8(12 x 8)/3 = 32 years

Answer 2

32 years

Explanation:

Let the no of years be x

`(3)/(8)*x=12\\\\x=(12*8)/(3)\\\\x=4*8=32\\`