What is the percentage of alcohol in 80-proof vodka?Multiple choice question.20%40%60%10%

Break Down the Problem

1. Identify the concept of "proof" in alcoholic beverages.
2. Determine the relationship between proof and alcohol by volume (ABV).

Relevant Concepts

• The proof system measures the strength of an alcoholic beverage, with the proof value being twice the percentage of alcohol by volume.

Analysis and Detail

1. To find the percentage of alcohol in 80-proof vodka, we apply the formula: $\text{ABV} = \frac{\text{Proof}}{2}$
2. Substitute the proof value: $\text{ABV} = \frac{80}{2} = 40\%$

Verify and Summarize

• The calculation shows that an 80-proof vodka contains 40% alcohol by volume.

Final Answer

The percentage of alcohol in 80-proof vodka is 40%.