 
 <prompt> Preston na-agụ nri ụtọ ọnụ. O nwere ike iche $5 maka ọnụ ụtọ ọnụ. O nwere ike iche $20 maka ọnụ ụtọ ọnụ. Abra Company na-enye Preston ọnụ ụtọ ọnụ 18, ma ọ bụrụ na-akpọ ya 10%. Kedu ihe ozo, na dollars, gara aga Preston nweta? <response>: ```Nkeji, chọta akara nke sandiwịchi $5 n'akara * 18 sandiwịchi = $90.
Kpọtụrụ onye ọbụla $90 + $20 = $110.
Kpọtụrụ tip $110 * 0.10 = $11.
Tinye tip na akara nke sandiwịchi $110 + $11 = $121 n'ime.

Nke a bụ 121.``` 