Ratio word problems

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

Front

What does it mean to simplify a ratio?

Back

Simplifying a ratio means reducing it to its lowest terms by dividing both sides by their greatest common divisor.

Front

If a box holds 20 marbles with 13 green marbles, how many yellow marbles are there?

Back

There are 7 yellow marbles.

Front

What is the ratio of yellow marbles to green marbles if there are 7 yellow and 13 green?

Back

The ratio is 7 to 13.

Front

How do you find the total in a ratio problem?

Back

To find the total, add the parts of the ratio together. For example, in a ratio of 4:3, the total is 4 + 3 = 7.

Front

What is the ratio of girls to total students if there are 12 girls and 9 boys?

Back

The ratio is 12 to 21, which simplifies to 4 to 7.

Front

If the ratio of red to yellow apples is 4:3 and there are 6 yellow apples, how many red apples are there?

Back

There are 8 red apples.

Front

What is the ratio of Democrats to Republicans in the U.S. Senate if there are 46 Democrats and 54 Republicans?

Back

The ratio is 23 to 27.

Front

How do you express a ratio as a fraction?

Back