
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
Given the regression line equation $\hat {y}=0.67x+54.9$, calculate the value of $y_{1}+y_{2}+y_{3}+y_{4}+y_{5}$, knowing that $x_{1}+x_{2}+x_{3}+x_{4}+x_{5}=150$.

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