Question

Ratio of girls to boys at a movie is 5:7 if there are 28 boys how many girls are at the movie?

Answer 1

For every 7 boys there are 5 girls.

Divide the number of boys by the ratio for boys: 28 / 7 = 4

Now multiply that by the ratio for girls:

4 x 5 = 20

There are 20 girls.