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Mathematics, 05.05.2020 21:18 Mimical

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A person’s maximum heart rate (in heartbeats per minute) is 220 - x where x is the person’s age in years (20 ≤ x ≤ 65). When exercising, a person should aim for a heart rate that is at least 70% of the maximum heart rate and at most 85% of the maximum heart rate. Which of the following heart rates is not in the suggested target range for a 40-year-old person who is exercising?

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A person’s maximum heart rate (in heartbeats per minute) is 220 - x where x...
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