A person is exercising burning 550 calhr while doing this

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A person is exercising, burning 550 Cal/hr. While doing this exercise, they breath deeply so the volume they take into and out of their lungs is 3 L with each breath. 20% of the air inhaled is oxygen, and 16% of the air exhaled is oxygen. How fast do they have to breath?

Reference no: EM13641555

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