Alex climbs down six floors of a building from its terrace. If the building is 120 m high and each floor is 8 m high, how high is he from the ground?
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Solution
Solution:
As Alex climbs down six floors from the terrace, each of height 8 m, he thus climbs down a total of 6 × 8 = 48 m.
As the building is 120 m, Alex is now currently at a height of 120 - 48 = 72 m.