Equivalent Ratios

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different. For example, 1:2 and 2:4 are equivalent ratios.

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, you can multiply or divide both terms of the ratio by the same non-zero number. For example, to find an equivalent ratio for 3:4, multiply both terms by 2 to get 6:8.

Front

Which ratio is equivalent to 3:4?

Back

6:8

Front

If the ratio of girls to boys is 2:3 and there are 12 girls, how many boys are there?

Back

18 boys.

Front

What is the ratio of girls to boys in a class with 21 boys and 6 girls?

Back

6:21.

Front

Which ratio is equivalent to 5 to 4?

Back

25 to 20.

Front

For a recipe, if you use 4 cups of sugar for every 5 cups of flour, what is an equivalent ratio?

Back

4/5 = 8/10 = 12/15.

Front

What does it mean if two ratios are equivalent?

Back

It means they represent the same proportion or relationship between the quantities.

Front

How can you express the ratio 4:5 in fraction form?

Back

4/5.

Front

If you have a ratio of 1:3, what is the equivalent ratio if you multiply both sides by 4?

Back

4:12.