
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 triangle \(PQR\), the point \(S\) is on \(PQ\) so that the ratio of the length of \(PS\) to the length of \(SQ\) is \(2: 3\). The point \(T\) lies on \(SR\) so that the area of triangle \(PTR\) is 20 and the area of triangle \(SQT\) is 18. What is the area of triangle \(PQR\)? 
A) 100  
B) 90  
C) 80  
D) 70  
E) 60

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