9514 1404 393
Answer:
14,060 ft
Step-by-step explanation:
On day 2, the group climbed ...
19660 -16860 = 2800 . . . . feet
The problem statement tells us they climbed that same amount on day 1, so they must have started at ...
16860 -2800 = 14,060 . . . . feet
The group began their climb at 14,060 feet.
