If the ratio of boys to girls is 2 : 3 and there are 12 boys, how many girls are there?

If the ratio of boys to girls is 2 : 3 and there are 12 boys, how many girls are there?

Explanation

Ratio of boys to girls = 2:3

Number of boys = 12

Let's find the multiplier:

2x = 12

x = 6

Now, find the number of girls:

3x = 3 * 6

= 18