
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
Three boys have marbles in the ratio of 5:2:3. In addition, the first boy has 3 more marbles than represented in the ratio. Find the original total number of marbles if the middle boy has 12 marbles.
A) 60
B) 63
C) 66
D) 69

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