
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
A school has $120$ students and $6$ teachers. In two different periods, each student takes one class per period, and each teacher teaches one class per period. In the first period, the class enrollments are $60, 30, 20, 5, 3, 2$ students. In the second period, the enrollments are $45, 35, 20, 10, 5, 5$. Calculate $t$ and $s$ for both periods and find the total difference $(t_1+s_1)-(t_2+s_2)$.
A) 7.45 
B) 8.6 
C) 9.48 
D) 10.2 
E) 11.55

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