To what height above sea level is it necessary to rise in order for the air pressure to decrease by 45 mm Hg?

As you rise, the pressure decreases.
If you go up, then overcoming every 12 meters, the pressure decreases by 1 mm Hg column, we will make the proportion:
12 m = 1 mm Hg
x m = 45 mm Hg
Let us express x from this proportion:
x = 12 * 45/1 = 540 m.
Answer: you need to climb 540 meters above sea level.



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