# Two-fifths of photographs are black and white. The rest of the photographs are color. What is the ratio of black and white to color photographs?

##### 2 Answers

Jun 5, 2018

2:3

#### Explanation:

That means:

The ratio of black and white to colored photographs will be:

Jun 5, 2018

#### Explanation:

The total number of photographs can be regarded as

Note that

So, for every

Therefore the ratio is