
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
Let the total number of students in the class be represented by a variable x. Given that 3 students received an A, 7 students a B, 4 students a C, and 2 students a D, and 4 students received grades E and F, express the fraction of satisfactory grades in the class.

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