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Sam counted his heartbeats while resting. His heart beat 220 times in 4 minutes. Sam's heart beat at the same rate for the 4 minutes. 0) Complete the ratio of beats to minutes. 220 to 4. Complete the statement to show the rate in beats per minute, Sam's heart rate is beats per 1 minute. ?

Respuesta :

if 220 times in 4 minutes, then the rate is 220/4 heartbeats per minute, that is 55 heartbeats per minute

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