Question

The ratio of boys to girls in Mr.Greens class is 4 to 5. There are 8 boys in the class. How many girls in the class

Answer 1

10

Explanation:

B/G = 4/5

8/G = 4/5 Multiply each side by 5

40/G = 4 Multiply each side by G

40 = 4G Divide each side by 4

G = 10

There are 10 girls in the class.

Check:

8/10 = 4/5

4/5 = 4/5