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Mathematics, 06.01.2021 18:20 jpimentel2021

After exercising, Malik checked his heart rate it was beating at 90 beats per minute. After 20 minutes he rechecked his heart rate it was 55 beats per minute. What is the percent decrease in his heart rate?

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After exercising, Malik checked his heart rate it was beating at 90 beats per minute. After 20 minut...
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