Answer:
He is 15 years old.
Step-by-step explanation:
I hope this helps :)
Artaud is 15 years old
Imagine Artaud is x yearrs old.
Now, turning the words in the problem into math equations, we get:
-x + 42 = 27.
Solving for x, we get:
-x = -15
x = 15.
So, Artaud is 15 years old.
