 
 <prompt> Emily ta tafi gida wanda take samun kayan aiki a matsayin $20 da 2 skirts da suka fi yawan kuɗi. Ta baya jin yawan $50. Me yasa Emily ta baya yawan kowanne skirt? <response>: ```A nan, kuna bukatar aiki da bayanai da aka bayar. Saboda haka damar kudin skirts da kayan aiki ya kamata ya samu $50.
Sannan mu san cewa damar kudin skirts ne daidai da sabon sabon da ta samu kayan aiki ga $20, za mu iya samar da wani matsayin: 2x + 20 = 50, tare da x ake nufin damar kudin skirts.
Don haka mu samu matsayin, bada 20 daga kowace bakin, don ganin matsayin sabon matsayi: 2x = 30.
Samu matsayin x ta hanyar buga kowace bakin na matsayi ta 2, 2x/2 = 30/2 zai bayar da kowa x = 15.
Sannan, kowace skirt ta samu $15.

Javaba zai kasance 15.``` 