Respuesta :

cwcurfm180

Answer:

15 years old

Step-by-step explanation:

bailey is 12, and cala is 6

6 + 9 = 15

12+ 3 = 15

The age of antoine should be considered as the 15 years old when balley is twice to cala. And, to understand the calculations check below.

Calculation of the age;

Since

Bailey is twice as old as Cala. Antoine is 9 years older than Cala and ​3 years older than Bailey.

So based on this, we can say that

Here we assume Cala age be x

So, Bailey age be 2x

Now Antoine age be 9 + x

And, 3 + 2x

So,

9 - x = 3 - 2x

9 - 3 = x

x = 6

So here Cala age be 6

Bailey age be 12

So ,here the Antoine age be

= 9 + 6

= 15

Learn more about an age here: https://brainly.com/question/6463206