
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
Minnie rides on a flat road at $25$ kilometers per hour (kph), downhill at $30$ kph, and uphill at $5$ kph. Penny rides on a flat road at $35$ kph, downhill at $45$ kph, and uphill at $10$ kph. Minnie starts her journey from town A to town B, which is $15$ km all uphill, then moves from town B to town D, a distance of $10$ km on flat road, and then from town D to town C, a distance of $20$ km all downhill. Finally, she returns to town A traversing $25$ km on the flat. Penny takes the reverse route using the same paths. Calculate the time difference in minutes for Minnie and Penny to complete the $70$-km ride.

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