Respuesta :
Answer:
7.5
Step-by-step explanation:
If Diane was 1 years old that means jack is 11 if you add 4 years to that then you will have 15 years then divide by 2 which is 7.5
Answer:
7.5
Step-by-step explanation:
If Diane was 1 years old that means jack is 11 if you add 4 years to that then you will have 15 years then divide by 2 which is 7.5