
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 that Xiao Nan and Xiao Kai participated in a 5-kilometer mini-marathon race, where Xiao Nan's running speed is 1.5 times that of Xiao Kai, and Xiao Kai starts running 12.5 minutes earlier, set up the equation representing their combined distances and time relationship.

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