
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
Calculate the ratio of the sums of the sequences for: $\dfrac{4+6+8+\cdots+40}{5+10+15+\cdots+75}$.
A) $\frac{209}{300}$  
B) $\frac{220}{315}$  
C) $\frac{418}{600}$  
D) $\frac{215}{325}$  
E) $\frac{225}{345}$

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