
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
The ratio of $a$ to $b$ is $5:4$, of $c$ to $d$ is $4:3$ and of $d$ to $b$ is $1:7$. What is the ratio of $a$ to $c$?
A) $105:16$
B) $100:16$
C) $95:16$
D) $110:16$
E) $115:16$

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