It's easy to get rates and ratios mixed up! They both compare quantities, but the key lies in what they're comparing. Let's explore the differences.
A ratio compares two or more quantities of the same kind. Think of it as a way to show the relative sizes of different parts of a whole.
A rate compares two quantities of different kinds. It often involves a unit of time, like speed (miles per hour) or price (dollars per pound).
| Feature | Ratio | Rate |
|---|---|---|
| Definition | Compares quantities of the same kind. | Compares quantities of different kinds. |
| Units | Units are the same or are omitted. | Units are different and important. |
| Example | $ rac{3 \text{ apples}}{5 \text{ apples}}$ or 3:5 (apples to apples) | $ rac{60 \text{ miles}}{1 \text{ hour}}$ or 60 miles per hour |
| Common Usage | Comparing ingredients in a recipe, scaling a drawing. | Calculating speed, determining unit price. |
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