Pints could be used to change from gallons. Hence the correct option is b.
In the context of liquid volume measurements, the conversion between gallons and pints is essential for various applications. The proportion provided, 1 gallon/8 pints, establishes the relationship between these two units of measure. It implies that one gallon is subdivided into eight pints. This conversion is frequently encountered in everyday situations, such as when dealing with recipes, fluid containers, or understanding beverage volumes.
For example, if you have a recipe that calls for 2 gallons of liquid and you want to know how many pints that corresponds to, you can use the given proportion. Multiplying 2 gallons by the conversion factor of 8 pints per gallon results in 16 pints. Conversely, if you have a container labeled in pints and want to express its volume in gallons, you would use the inverse of the proportion, setting up the conversion as 8 pints/1 gallon. Hence the correct option is b.