Question

When a willow tree was planted it was 24 inches tall. Three years later, the tree was

54 inches tall. How many inches per year is the willow tree growing on average?

(A) 3 inches per year
(B) 5 inches per year
(C) 10 inches per year
(D) 18 inches per year

Answer 1

(C) 10 inches per year

Explanation:

54-24 = 30 inches in 3 years

30/3 = 10 inches per year

Answer 2

Height of tree 3 years ago: 24 inches

Height of tree now: 54 inches

54-24 = 30

The tree grew 30 inches in 3 years.

So on average it grew 10 INCHES PER YEAR.

Let me know if this helps!