Let's add the minutes:

$40 \, \text{minutes} + 55 \, \text{minutes} + 35 \, \text{minutes} = 130 \, \text{minutes}$

Now, convert 130 minutes into hours and minutes:

$130 \, \text{minutes} = 2 \, \text{hours} \, 10 \, \text{minutes}$

So, the total time is 2 hours and 10 minutes.

Would you like more details or have any other questions? Here are some related questions:

1. How would you convert 240 minutes into hours and minutes?
2. What is the formula for converting minutes to hours and minutes?
3. How do you subtract time intervals like 45 minutes from 120 minutes?
4. How do you add different time units, such as hours and minutes together?
5. What is the time difference between 10:15 AM and 1:30 PM?

Tip: To convert minutes into hours and minutes, divide the total minutes by 60 for the hours, and the remainder will be the minutes.