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

Having trouble with this? Can someone explain this to me please?-example-1
User Ddiego
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1 Answer

7 votes

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.

User Fafaro
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