Ratios and Rates

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Ratios can be written in three ways: 1 : 2, 1 to 2, and $$\frac{1}{2}$$ .

The unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

7:10

1 and 2

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.

$$\frac{4}{6}$$ is an equivalent ratio of $$\frac{2}{3}$$ .

$8 per pound.

112 boxes.

It means that they represent the same relationship between the quantities, even if the numbers are different.