Use the ratio 1 liter is equal to aproximately 2.1 pints. How many pints are equal to 10 liters?
To find out how many pints are equal to 10 liters, we need to multiply the ratio of 1 liter to approximately 2.1 pints by 10 liters:
10 liters x 2.1 pints/liter = 21 pints
Therefore, 10 liters is equal to approximately 21 pints.