3000 is the freaking right answer
For
1. its
D=Days
H=Hours
M=Minutes
3d+5h+15m
3d=72h+5h
72h+5h=77h
77h+15m=77h.15m
But i only have this one right now sorry :P
If there is a picture could you please add it to your question?
It will help me find the correct anwser faster for you!