Aschool day starts at 07: 15. there are three periods of 40 minutes, four periods of 35 minutes and two periods of 50 minutes. there is a long break of 20 minutes and a short break of 10 minutes. calculate the time that the school day ends.

the school day ends at 1:45

Step-by-step explanation:

7:15   40 x 3 = 120

+2 hours =

9:15   35 x 4 = 140

+2 hours & 20 mins =

11:35   50 x 2 = 100

+1 hour & 40 mins

1:15   20 + 10 = 30

1:45

you're welcome((:

the second option

step-by-step explanation: