 
 <prompt> ```Brenda dey bake 20 cakes everyday. She do am for 9 days before she come sell half of the cakes. How many cakes remain with Brenda?``` <response>: ```After 9 days, Brenda bakes 20 * 9 = 180 cakes.
After she sells half of them, the remaining go be 180 / 2 = 90 cakes.

The final answer: 90.``` 