
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
In 1970, there were 300,000 cases of a certain disease in a country. By 2000, the disease cases reduced to 1,000. Estimate the number of disease cases that would have been reported in 1990 if the number of disease cases reported from 1970 to 2000 decreased linearly.

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