Since both Stephanie and Randa lower their rate by 20 beats per minute, both runners will still be in the target heart rate zone.
The target heart rate zone is a term used to define a heart rate at which cardio exercises are to be done.
If both Stephanie and Randa with heart rate at high 170s and stopped to adjust their runs to lower it to 20 beats per minute.
Since both Stephanie and Randa lower their rate by 20 beats per minute, both runners will still be in the target heart rate zone.
Learn more about target heart rate zone here: https://brainly.com/question/871799
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