CFA - Ratio 6.1*

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 to b' or a:b.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of 2 white circles to 3 black circles?

Back

The ratio is 2:3.

Front

If you have 8 cakes and 15 pies, what is the ratio of pies to cakes?

Back

The ratio of pies to cakes is 15:8.

Front

What does a ratio of 3:5 represent?

Back

It represents a relationship where for every 3 of one quantity, there are 5 of another quantity.

Front

How can you express the ratio of 30 dollars earned for washing 3 cars?

Back

The ratio is 30:3, which can also be simplified to 10:1.

Front

What is the relationship between the number of gray circles and black circles if the ratio is 5:4?

Back

For every 5 gray circles, there are 4 black circles.

Front

If James has 3 cats and 5 dogs, what is the ratio of cats to dogs?

Back

The ratio of cats to dogs is 3:5.

Front

What is the first step in solving a ratio problem?

Back

Identify the quantities being compared and express them in ratio form.

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.