Problema Solution
what time was it 3 and 1/2 hours before 7:15am
Answer provided by our tutors
mathematically, we can subtract 3:5 from 7:15
7:15am can be expressed as 7.25 (1/4 of an hour)
7.25-3.5
3.75
So the time would be 3:45 (since 45 minutes is 3/4 of an hour).