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 equivalent ratios?

Back

To find equivalent ratios, you can multiply or divide both terms of the ratio by the same non-zero number. For example, if you have the ratio 2:3, multiplying both terms by 2 gives you 4:6.

Front

What is the ratio of boys to girls if there are 5 boys and 7 girls?

Back

The ratio of girls to boys is 7:5.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the equivalent ratio of flour to sugar?

Back

The equivalent ratio of flour to sugar is 2:3.

Front

What is the ratio of the number of days it rained last week to the number of days it did NOT rain if it rained for 3 days and did not rain for 4 days?

Back

The ratio is 3:4.

Front

If Enrique needs 4 eggs to make 2 cakes, how many eggs does he need for 7 cakes?

Back

Enrique needs 14 eggs for 7 cakes.

Front

What is the total number of parts in the ratio 5:6?

Back

The total number of parts in the ratio 5:6 is 11 (5 + 6).

Front

If a class has 33 students and the ratio of boys to girls is 5:6, how many girls are in the class?

Back

There are 18 girls in the class.

Front

What does it mean if two ratios are equivalent?

Back

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

Front

How can you express the ratio of 10 to 15 in simplest form?

Back

The simplest form of the ratio 10 to 15 is 2:3.