
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
Set $C$ has $25.5$ units, and set $D$ has $18.0$ units. What is the smallest possible amount of units in $C \cup D$?
A) 18.0 units
B) 25.5 units
C) 30.5 units
D) 43.5 units

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