When you exercise, your pulse rate rises. Recommended pulse rates vary with age and physical condition. For vigorous exercise such as jogging, the inequality 0.7(220 – a) ≤ R ≤ 0.85 (220 – a) gives a target range for pulse rate R (in beats per minute) based on age a( in years).

V. In what range should your pulse rate be when you are jogging?
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Answer:__________________

VI. What is the target range for a person 15 years old?
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Answer:_________________

Question

When you exercise, your pulse rate rises.  Recommended pulse rates vary with age and physical condition.  For vigorous exercise such as jogging, the inequality 0.7(220 – a) ≤ R ≤ 0.85 (220 – a) gives a target range for pulse rate R (in beats per minute) based on age a( in years). 

V.	 In what range should your pulse rate be when you are jogging?
Show work here:

								Answer:__________________


VI.	 What is the target range for a person 15 years old?
Show work here:


								Answer:_________________