Question

Carly's age is 3 more than twice her sister's age, s. Which of the following expressions represents Carly's age? 2s + 3 3s + 2 2(s + 3) s2 + 3

Answer 1

c = 2s + 3

Explanation:

Let c be Carly's age.

Carly is 3 more . . . than twice her sister's age.

We can translate "twice her sister's age" into 2s.

Carly is 3 more than 2s.

We can translate this into:

Carly is 3 + 2s.

c = 2s + 3