
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
Leah practiced piano for 1 hr 40 min each day for 6 days and 1 hr 20 min each day for 2 days. How many minutes must she practice on the ninth day in order to average 100 minutes of practice each session over 9 days?

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