
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
The diagram shows the miles traveled by bikers Alberto, Bjorn, and Carlos. After six hours, how many more miles has Alberto biked than Bjorn, and how many more miles has Carlos biked than Bjorn? Assume Bjorn travels at a constant speed, reaching 45 miles in 4 hours, Alberto travels at a slightly faster constant speed, reaching 60 miles in 4 hours, and Carlos travels at an even faster speed, reaching 75 miles in 4 hours.

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