Question

How many hours worked is 1:45-4:00?

Answer 1

2 1/4 h = 2.25 h

Explanation:

From 1:45 to 4:00 is:

15 min to 2:00

from 2:00 to 4:00 is 2h

We know 1h = 60min, therefore 1min = 1/60 h

2h and 15min = 2h + 15/60 h = 2h + 1/4 h = 2 1/4h = 2.25h