Question

7:45-12:30 is how many hours

Answer 1

If you are doing 7.45 - 12.30 the answer should be 5:15, if this is based on time.

or it would be - 4.85 not time-wise.

Answer 2

well If you are trying to solve by subtracting then ill help

7:45 - 12:30 = - 4.85

hoped I helped !