
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 area of a trapezoidal field is 2000 square yards. Its altitude is 40 yards. Find the two bases, if both bases are integers divisible by 10, and then determine the number of possible solutions for the bases of this trapezoid.

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