Q: The summit of Ben Lomond at Queenstown, New Zealand. Started at an altitude of 350m, and 2.5 hours later reached the peak at 1750m. On average, how many metres altitude did I gain per minute?

[scroll down for the answer]

.

.

.

.

.

.

.

.

.

.

A: 2.5 hours = 150 minutes. 1750 – 350 = 1400.
1400m in 150 minutes means 1400/150 = 9.33 m per minute.