Answer:
405 minutes
Explanation:
-well we all know that in one hour there is 60 minutes so in six hours there is going to be 360 minutes (you just multiply 60 by 6)
- and every quarter of an hour is 15 min so 3/4 would be 45 min (15 times 3)
- and then lastly all you have to do is add them up together 360 + 45 = 405min :D