18 minutes
Count the hours, and multiply by 60. An hour has 60 minutes.
-5
72 hours
From 6am to 5pm is 11 hours.
Minus 105 minutes.
It takes 80 minutes
18 minutes
Count the hours, and multiply by 60. An hour has 60 minutes.
7 hours and 30 minutes.
-5
8 hours and 30 minutes.
60 hours, 8 minutes
1 hour and 30 minutes.
From 9:20am to 5pm is 7 hours and 40 minutes.
from 5pm till 8pm
they school at 9 am till 5pm