Rate - Definition and Examples

A rate is a ratio that compare numbers or quantities expressed in different units.

For example, suppose 5 people pay 35 dollars to enter an amusement park.

The number of people is one kind of unit and the cost is another kind of unit.

5/35 and 35/5 are rates

5/35 = 1/7 and 35/5 = 7/1

1/7 means 1 person per 7 dollars

7/1 means 7 dollars per person

Three more examples of rates

1. A car travel 160 km every 5 hours. The distance expressed in km is one kind of unit and the time expressed in hours is another kind of unit.

2. A woman walks 18000 steps every 6 days. The number of steps is one kind of unit and the time expressed in days is another kind of unit.

3. A meal at a restaurant has 1200 calories for every 3 servings. The number of calories is one kind of unit and the number of servings is another kind of unit.

When you do ratios for the aforementioned examples, you get rates.


Math words beginning with the letter r

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