You can convert everything in minutes once you've solved it you turn it back to hours and minutes....5hrs and 8min= 308min....3hrs 12min=192min....308-192=116.....116 is 1hr and 56min
4.741
4.742
Really, you could stick any digit from 1-9 at the end of 4.74 to create your answer.
Answer:
It must travel through a medium
Step-by-step explanation: Because I said so >:(