
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
Given a conference with 200 attendees, a speaker's 90-minute presentation had the following audience participation: 15% listened to the entire presentation, 5% dozed off through the whole presentation, 40% heard half of the talk, 20% heard one third of the talk, and the remaining 40% heard two thirds of the talk. Calculate the average number of minutes of the presentation that were heard by the audience members.

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