Having trouble with this? Can someone explain this to me please?

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asked Apr 23, 2021 27.3k views

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Fafaro · Answer 1 · 2021-04-27T16:30:00+0000

Answer:

D

Explanation:

D is the correct ratio. If his heart beats 12 times in 10 seconds, then it will beat 72 times in 60 seconds/1 minute if you use the proportion. D is the only correct ratio because it shows 72 beats:1 minute.

Having trouble with this? Can someone explain this to me please?

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