What do ratios express?

Ratios express the relationship between two or more quantities. They provide a way to compare the amounts of different items, showing how many times one value contains or is contained in another. By representing quantities in this way, ratios allow for a clear understanding of proportional relationships, making it easier to analyze and compare values in fields such as engineering, finance, and science. For example, if a recipe calls for two parts of flour to one part of sugar, the ratio expresses how these quantities relate to one another, which can help maintain consistency in proportions when scaling the recipe. This characteristic of ratios makes option B the most accurate choice in capturing their essence.