Question

The ratio of boys to girls in a class is 5 : 3. If there are 20 boys, how many girls are there?

Answer 1

Answer:

12

Step-by-step explanation:

let boys be 5x and girls be 3x

5x=20

x=4

girls = 3x=3×4=12

Answer 2

Answer:

there are 12 girls

Step-by-step explanation:

5:3=20:X

5x=20×3

5x=60

X=60÷5

X=12