Bingbing practiced thirty-six strokes yesterday, and today she practiced one-ninth more than yesterday. ( )?

Question 1: (How many more words did you practice today than yesterday? )36* 1/9=4

Question 2: (How many words did you practice today? )36*( 1+ 1/9)=40

Question 3: (How much less did you practice yesterday than today? )(40-36)/40= 1/ 10

I still don't understand what this means ... where to fill in ...)

2. The master and the apprentice process the same number of parts, and the master completes it in 5 hours. Apprentices process five-sixths of the master's parts every hour. How many fractions of an hour can an apprentice complete? How many hours does it take the apprentice to complete the task?

1/5*5/6= 1/6 The apprentice can complete the task every hour 1/6.

1÷ 1/6=6 The apprentice needs 6 hours to complete the task.