How many cups, each with a capacity of 8 fluid ounces, can be filled with water from a cooler that contains 5 gallons of water? (1 gallon = 128 fluid ounces)

Summary Submit Skip Question

The given conversion factors and quantity:

Since we are asked to find how many cups, we can start with the following and arrange rates and givens accordingly.

$$\frac{1 \text{ cup }}{8 \text{ fluid ounces }}$$ $$\frac{1 \text{ cup }}{8 \cancel{\text{ fluid ounces }}} \cdot \frac{128 \cancel{\text{ fluid ounces }}}{1 \cancel{\text{ gallon }}} \cdot 5 \cancel{\text{ gallons}}$$ $$= \frac{1}{8}\cdot \frac{128}{1} \cdot 5 \text{ cups}$$ $$= \boxed{80} \text{ cups}$$