 
 <prompt> Erwan wẹnti ní ìṣẹ ilé-ẹkọ. O wọ ọkọ ní $200 sugbọn o fi ọwọ́ 30%, àti mẹrin àwọn bata ní $80 kọọkan. Lẹhin checkout, aláàfíà sọ pe ó wà ní ọwọ́ 5% pẹlu. Nígbà tí ó bá ṣe gbogbo awọn ọwọ́, o ṣe aláyé pé bíi o ti ṣe? <response>: ```Ihunanya nke akwụkwọ ụkwụ nke ụbọchị nwere ike dị $200 x 30/100 = $60.
Ọ gharịa $200 - $60 = $140 maka akwụkwọ ụbọchị.
Ihe ọ bụla nke abụọ ụkwụ bụ $80 x 2 = $160.
Ọgbanwe ụgwọ nke ike nke ya bụ $140 + $160 = $300.
Ọ gharịa ụgwọ nke $300 x 5/100 = $15 gara agba.
N'ile, Erwan gharịa $300 - 15 = $285 mgbe ọ bụla ụbọchị.

Ntụgharị anyị: 285.``` 