Divide Whole Numbers by Unit Fractions Practice Test

A coach has 5 gallons of sports drink. Each player gets $\tfrac{1}{5}$ gallon. Dividing by a unit fraction asks how many of those fractional units fit into the whole. How many $\tfrac{1}{5}$-gallon servings fit into 5 gallons? (This matches $5 \div \tfrac{1}{5}$.)

A baker has 3 cups of flour. Each batch of muffins needs $\tfrac{1}{4}$ cup of flour. Dividing by a unit fraction asks how many of those fractional units fit into the whole. Which claim about $3 \div \tfrac{1}{4}$ is incorrect?