## anonymous one year ago Approximately 4.5 liters of blood circulates in the body of the average human adult. How many quarts of blood does the average person have? Use the conversion equivalency 1 gallon = 3.785 liters and 4 quarts = 1 gallon.

1. perl

$$\Large 4.5~ liters \cdot \frac{1~ gallon}{3.785~ liters} \cdot \frac{4 ~ quarts}{1~ gallon}$$

2. perl

do you see how the units cancel