
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 pie chart displays the distribution of grades in a history class. There are 8 students with grade A, 7 students with grade B, 6 students with grade C, 5 students with grade D, and 4 students with grade F. If A, B, and C are considered satisfactory grades, what fraction of the grades are satisfactory?
A) $\frac{1}{2}$
B) $\frac{2}{3}$
C) $\frac{7}{10}$
D) $\frac{3}{4}$
E) $\frac{4}{5}$

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