Jerica is twice Louis' age. Matilda is 7 years older than Jerica. If Louis is 14, how many years old is Matilda?
Let's be accurate as possible and think first.
35
Jerica = 2 * 14 = 28.

Matilda = 28 + 7 = 35.

Matilda is 35 years old.

.

Therefore, the answer is 35