Question

Travis and his his sister were born on the the same day but in different years. Travis is 14 years old, and his sister is 17 years old. Write an expression to represent Travis's age in terms of his sister's age, s, at any given point in time.

Answer 1

`s-3`

Explanation:

Travis and his his sister were born on the the same day but in different years. Travis is 14 years old, and his sister is 17 years old. This means the difference in their ages is

`17-14=3` years.

Let s be Travis's sister age. Trevis is 3 years younger than his sister, so his age at any given point in time is

`s-3` years.