
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
In a school, the students of three different grades participate in a daily running program. The fifth graders run 8 minutes each day, sixth graders run 18 minutes, and seventh graders run 16 minutes. Suppose there are three times as many sixth graders as fifth graders and the number of seventh graders is equal to the number of fifth graders. What is the average number of minutes run per day by these students?
- **A)** \( \frac{72}{5} \)
- **B)** \( \frac{78}{5} \)
- **C)** \( \frac{80}{5} \)
- **D)** \( 16 \)

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