3 years ago

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

Mathematics

1 answer:

Tema [17]3 years ago

3 0

Answer:

Step-by-step 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.

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