
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
If Grandfather walked at a constant speed of $5$ miles per hour for $4$ days, with distances walked being $3$ miles on Monday, $2$ miles on Tuesday, $4$ miles on Wednesday, and $1$ mile on Thursday, calculate the time he would have spent on the treadmill, and then determine the time spent at the actual speeds, and find the difference in minutes.

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