Respuesta :

Answer:

he would be 7 in a half

Step-by-step explanation:

because if you divide 15 by 2 it will give you 7.5 which is also 7 in a half so there is your answer

Answer:

John has 3 years old

Step-by-step explanation:

3 Jhon's age + 3 years= 6 and 6=1/2 of 12.