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