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Question:

The elevation at the summit of Mount Whitney is 4,418 meters above sea level. Climbers begin at a trailhead that has an elevation of 2,550 meters above sea level. What is the change in elevation, to the nearest foot, between the trailhead and the summit? (1 foot = 0.3048 meters)

A 6,129 feet
Explaination

The difference between the elevations is 4,418 − 2,550 = 1,868 meters. Since each meter is 0.3048 of a foot, divide the change of elevation in meters by the conversion factor to find the number of feet (1,868 ÷ 0.3048 ≈ 6,129).