 
 <prompt> ```Alex na-akpọ $500 n'ụbọchị na 10% nke ihe ọ bụla ya nwere ike ịchọrọ dị ka tax. O kwesịrị ya n'ụbọchị bill nkwụrụ n'ime $55 na-agba ọzọ 10% nke ihe ọ bụla ya nwere ike ịchọrọ dị ka tithe. Kedu ihe o nwere ike Alex nwere n'ime?``` <response>: ```Mgbe ọ bụla a, ụdị ọrụ ya bụ 10% nke 500 nke ya bụ 500*10% = $50.
Nke ụdị ya bụ 10% nke $500 nke ya bụ 500*10% = $50.
Nke ụdị ya bụ $50 + $55 + $50 = $155
Ọ dịghị ike ya n'ime $500 - $155 = $345.

Nke a bụ 345.``` 