 
 <prompt> ```A gburugburu n'okpoko na-akpọ sunglasses na $30 nke ọzọ. O nweghị ike iji ya na-akpọ aka n'ime ha. O na-eme 10 nke ha na ụbọchị. O nweghị ike iji ya na-akpọ nri ya na-eme ịkpa ọzọ, nke na-enweghị ike ịkpa $20. Kedu ihe ọ bụla nke ụbọchị sunglasses na-akpọ ya?``` <response>: ```Mgbe ọ bụla ya bụ $40 maka nke 20 / .5 = 40
Ọ gara agba ụdị sunglasses maka nke 10 x 30 = 300
Nke ụdị sunglasses bụ $260 maka nke 300 - 40 = 260
Nke ụdị sunglasses bụ $26 nkeji bụla maka nke 260 / 10 = 26

Jiri bụ 26.``` 