
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
An athlete's target heart rate, in beats per minute, is calculated as $75\%$ of their theoretical maximum heart rate. The maximum heart rate is estimated by the formula $215 - \text{age} + 0.5 \times \text{exercise intensity level}$, where the exercise intensity level ranges from 0 to 10. What is the target heart rate to the nearest whole number for a 30-year-old athlete with an exercise intensity level of 6?
**A)** 130  
**B)** 141  
**C)** 157  
**D)** 164  
**E)** 176

Present the answer in LaTex format: \boxed{Your answer}
user