Question

The ratio of boys to girls in a class is 5:4. There are 36 students in the class. How many

students are girls?

Answer 1

Let the girls be x

then, 5:4 = 5x and 4x

,

total stud.=36 so,

5x+4x=36

9x=36

x=36÷9

hence

x=4

now, boys = 5x=5×4=20

girls= 4x=4×4=16

so there are 16 girls