Sagot :
Answer:
Marina's age = 12
Her father's age = 48
triple Marina's age = 12x3
= 36
The age of Marina's sister
= 48-36
= 12
Therefore, Marina's sister's age is 12
Answer:
Marina's age = 12
Her father's age = 48
triple Marina's age = 12x3
= 36
The age of Marina's sister
= 48-36
= 12
Therefore, Marina's sister's age is 12