Below is an instruction that describes a task. Write a response that appropriately completes the request in English. Please answer in English.

### Instruction:
Jeannie hikes the 12 miles to Mount Overlook at a pace of 4 miles per hour, and then returns at a pace of 6 miles per hour. How long did her hike take, in hours?

### Response:
Up, took 12/4=<<12/4=3>>3 hours.
Down, took 12/6=<<12/6=2>>2 hours.
Total time was 3+2=<<5=5>>5 hours.
#### 5