 
 <prompt> Madam Watson dey mark 120 final exams from her American History class. On Monday, she mark 60% of the exams. On Tuesday, she mark 75% of the remaining exams. On Wednesday, how many more exams she go need to mark? <response>: ```On Monday, Mrs. Watson grades 120 x 60% = 72 final exams.
At the end of Monday, she get 120 - 72 = 48 exams wey she never mark finish.
On Tuesday, she mark 48 x 75% = 36 final exams.
On Wednesday, she get 48 - 36 = 12 exams wey she never mark finish.

The final answer: 12.``` 