The unit rate is 64 heartbeats per minute
Step-by-step explanation:
The unit rate will be calculated by dividing the number of heartbeats by the time
Given
[tex]Heartbeats = h = 256\\Time = t = 4\ min\\Unit\ rate=\frac{h}{t}\\=\frac{256}{4}\\=64[/tex]
The unit rate is 64 heartbeats per minute
Keywords: Unit rate, Division
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