 
 <prompt> ```Mona dey ride bike 30 miles every week to dey stay fit. Dis week, she ride bike on Monday, Wednesday, and Saturday. On Wednesday, she ride bike 12 miles. On Saturday, she ride bike two times pass wetin she ride on Monday. How many miles she ride on Monday?``` <response>: ```Make M di number of miles wey Mona ride on Monday.
So, Mona ride 2M miles on Saturday.
Overall, Mona ride M + 2M + 12 = 30 miles.
So, on Monday and Saturday, she ride M + 2M = 3M = 30 - 12 = 18 miles.
Therefore, on Monday, Mona ride M = 18 / 3 = 6 miles.

Di final answer: 6.``` 