Stephen counted 17 heartbeats in 15 seconds. How many times does his heart beat in 1 minute?

1 answer:

6 0

Stephen's heart beats 68 times in one minute

Step-by-step explanation:

60 sec (one min) divided by 15 sec ( the unit of time we use to track the 17 heartbeats) = 4

4 times 17 =68

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