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.

Front

If the ratio of apples to oranges is 3:2, what is the equivalent ratio if we multiply both terms by 4?

Back

The equivalent ratio is 12:8.

Front

What is the ratio of 20 to 24 in simplest form?

Back

The simplest form of the ratio 20:24 is 5:6.

Front

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

Back

The ratio of flour to sugar is 2:3.

Front

If there are 10 red marbles and 15 blue marbles, what is the ratio of red to blue marbles?

Back

The ratio of red to blue marbles is 10:15, which simplifies to 2:3.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first term is the numerator and the second term is the denominator.

Front

If a car travels 60 miles in 1 hour, how far will it travel in 3 hours at the same speed?

Back

The car will travel 180 miles in 3 hours.

Front

What is the ratio of pears to all fruits if there are 4 apples, 2 bananas, and 5 pears?

Back

The ratio of pears to all fruits is 5:11.

Front

If the ratio of boys to girls in a class is 4:5 and there are 20 boys, how many girls are there?

Back

There are 25 girls in the class.