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21 January, 20:47

Johanna ran a mile in physical education class. After resting for one hour, her heart rate were 60 bpm. If her heart rate decreased by 2/5, what was her heart rate immediately after she ran the miles?

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  1. 21 January, 21:37
    0
    60 bpm = 3600 beats per hour

    2/5=.4

    Her heart rate decreased by. 4

    This means: 3600 = x *.4

    x = 3600/.4

    x=9000

    Her heart rate was 9000 beats per hour OR

    9000bph = 150 bpm
  2. 21 January, 23:05
    0
    Hey heart rate was 100 BPM immediately after running.
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