Rates, Ratios, and Proportions Test Review

Front

What is a ratio?

Back

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

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you find the total number of items in a ratio?

Back

Add the parts of the ratio together to find the total number of items.

Front

What is the ratio of blue marbles to total marbles if there are 6 blue, 8 green, 9 red, and 17 yellow marbles?

Back

3:20

Front

If there are 2 gingerbread cookies for every 3 cakes, what is the ratio of cookies to cakes?

Back

2:3

Front

How do you calculate the savings per item when buying in bulk?

Back

Subtract the total cost of the bulk item from the total cost of the smaller item, then divide by the number of items in the bulk.

Front

What is the ratio of apples to pumpkins if there are 3 apples for every 2 pumpkins?

Back

3:2

Front

If a chef prepares 128 eggs and 72 strips of bacon, what is the ratio of eggs to bacon?

Back

For every 16 eggs, there are 9 strips of bacon.

Front

What does it mean if two ratios are equivalent?

Back

It means that they represent the same relationship between quantities.