
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
Jamie's smartphone battery lasts for 20 hours if the phone is not used but left on, and 4 hours if used constantly. After being on for 10 hours, with 90 minutes of use, how many more hours will the battery last if it is not used but left on?

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