Gary is 3 years older than twice the age of his sister, elena

an equation for this situation is:

B) G = 2E + 3

Step-by-step explanation:

The first thing we must do for this case is to define variables.

We have then:

G: Gary's age

E: Elena's age

We then have the following expression:

Gary is 3 years older than twice the age of his sister (Elena):

Using the defined variables, we can write the expression as:

G = 2E + 3

You are lucky I had this question before because your answer is incomplete. Hope I helped!

a - base

b - exponent

so,