 
 <prompt> Juanico dey 4 years less than half of Gladys age. If Gladys go dey 40 years old ten years from now, calculate Juanico age 30 years from now. <response>: ```If Gladys go dey 40 years old ten years from now, she dey 40-10= 30 years old presently.
Juanico dey 4 years less than half the age of Gladys, meaning say e dey 4 years younger than 1/2*30 = 15 years.
Juanico age na 15-4 =11 years.
Juanico age 30 years from now go be 30+11 = 41 years.

The final answer: 41.``` 