 
 <prompt> ```John na two times Mary age and half of Tonya age. If Tonya na 60, wetin be their average age?``` <response>: ```John na 30 because 60 / 2 = 30
Mary na fifteen because 30 / 2 = 15
Dem total age na 105 because 60 + 30 + 15 = 105
Dem average age na 35 because 105 / 3 = 35

The final answer: 35.``` 