One quarter of a dollar plus two quarters of a dollar equals how many quarters?

1. A quarter of a dollar is one-fourth of a dollar. 2. Start with 1 quarter and add 2 more quarters. 3. Counting quarters directly, 1 quarter plus 2 quarters equals 3 quarters. 4. Two, four, and five quarters do not match the direct count of adding 1 quarter and 2 quarters together. _Source: OpenStax Prealgebra (CC BY 4.0), Ch 4 "Fractions", section 4.4 Add and Subtract Fractions with Common Denominators_