 
 <prompt> ```Nke a bụ Beth bụ 18 ndị na ọkwa ya nne bụ 5, n'ogugu ọdịda ka ọ bụrụ na ọ bụ abụọ nwa ya nne ya?``` <response>: ```Ọdịdịrị nke ọma nke Beth na nwunye ya bụ 18 - 5 = 13 ụdị.
Beth ga-ahụ ịdị ọzọ nwunye ya n'ụdị 13 x 2 = 26.
Beth ga-ahụ ịdị ọzọ nwunye ya n'ụdị 26 - 18 = 8 ụdị.

Nkọwa akpọ: 8.``` 