Question

Harold has 4 classes each School morning each class is 1 hour long and there are 10 minutes between classes the first class starts at 8
a.m. at what time does the 4th Class end

Answer 1

Start at 8 a.m

First class and the break
8.00
1.00
-------- +
9.00
0.10
-------- +
9.10

Second class and the break
start at 9.10
9.10
1.00
------- +
10.10
0.10
-------- +
10.20

Third class and the break
start at 10.20
10.20
1.00
--------- +
11.20
0.10
-------- +
11.30

Fourth class (no break)
start at 11.30
11.30
1.00
-------- +
12.30

Fourth class end at 12.30