At a rate of 10 breaths per minute, how many seconds does each breath last?

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Multiple Choice

At a rate of 10 breaths per minute, how many seconds does each breath last?

Think of breaths per minute as how many breaths happen in one minute. The time for each breath is the total time (60 seconds in a minute) divided by how many breaths occur. So at 10 breaths per minute, you divide 60 seconds by 10, giving 6 seconds per breath. That’s why the duration is 6 seconds. If you used different values, you’d get different times per breath (for example, 60 divided by 8 equals 7.5 seconds per breath). The idea is that rate and time per breath are inverses: more breaths per minute mean shorter breaths; fewer breaths per minute mean longer breaths.

Think of breaths per minute as how many breaths happen in one minute. The time for each breath is the total time (60 seconds in a minute) divided by how many breaths occur. So at 10 breaths per minute, you divide 60 seconds by 10, giving 6 seconds per breath. That’s why the duration is 6 seconds. If you used different values, you’d get different times per breath (for example, 60 divided by 8 equals 7.5 seconds per breath). The idea is that rate and time per breath are inverses: more breaths per minute mean shorter breaths; fewer breaths per minute mean longer breaths.

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