
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
To operate the Trabant car, a $1: 40$ volumetric mixture was used. What was the density of the mixture? $\left(\varrho_{\text {oil }}=900 \mathrm{~kg} / \mathrm{m}^{3}, \varrho_{\text {gasoline }}=700 \mathrm{~kg} / \mathrm{m}^{3}.\right)$

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