Seven years ago, a man was six times older than his son. Today, the father’s age is a quarter of the square of the son’s age. Knowing that the father is now over thirty years old, what is the sum of their ages today?

A) 35
B) 44
C) 63
D) none of the previous answers are correct

Hi everyone,
i tried approaching this question with a two system equation, but i can’t solve
The answer is C)