
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 600,000 cases of a particular disease reported in Country X. By the year 2000, the number of reported cases was reduced to 200 cases. Determine the number of cases that would have been reported in the year 1990 if the number of cases reported from 1970 to 2000 decreased linearly.

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