 
 <prompt> Mary n'ile-ise pẹlu awọn ọmọ ọkan rẹ si ọna ayọ. Awọn tikẹti n kọ $2 fun awọn ọmọ-ọdun ati $1 fun awọn ọmọ. Mary fi owo pẹlu owo $20. Bawo ni o le gba owo irọ? <response>: ```Iye tikiti Mary ni $2/tikiti * 1 tikiti = $2
Iye tikiti awon omo Mary ni 3 tikiti * $1 = $3
Nitori pe won ti pada si $2 + $3 = $5
Lati pada pese pelu owo 20-dollar, Mary yoo gba $20 - $5 = $15

Iwe idaraya: 15.``` 