Multiple choice

If 5 litres of water is added to 10 litres of pure alcohol, what percent of the resulting solution is alcohol?

  1. 66 2/3%

  2. 40%

  3. 25%

  4. 15%

  5. 10%

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Total volume = 10 + 5 = 15 litres. Alcohol = 10 litres. Percentage = (10 / 15) * 100 = 66.66% = 66 2/3%.

AI explanation

The total volume of the resulting solution is 10 liters of alcohol plus 5 liters of water, which equals 15 liters. The percentage of alcohol is calculated as (10 / 15) * 100. This evaluates to 66 2/3%.