Answer:
an equation for this situation is:
B) G = 2E + 3
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!