Mathematics · Linear Inequalities
The Karvonen formula H = 120p + 60 shows the relationship between Alice's target heart rate H, in beats per minute (bpm), and the intensity level p of different activities. It is recommended that p be between 0.5 and 0.85 for Alice when she trains. Which of the following inequalities describes Alice's target training heart rate?
- 160 ≤ H ≤ 102
- 260 ≤ H ≤ 162
- 3102 ≤ H ≤ 120
- 4120 ≤ H ≤ 162✓
Correct answer
120 ≤ H ≤ 162
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