Question

In a classroom, the ratio of girls to boys is 2 : 5. There are 28 students in the classroom. Find the number of boys and the number of girls in the classroom. *

Answer 1

Answer:

no. of girls = 8

no. of boys = 20

Step-by-step explanation:

let the ratio be x

no. of boys = 2x

no. of girls = 5x

total no of student = 28

7x = 28

x=4

no. of boys = 4*2=8

no. of girls=4*5=20

Answer 2

Step-by-step explanation:

2x+5x=28

7x=28

x=28÷7

x=4

no. of girls=2x

=2×4

=8

no. of boys=5x

=5×4

=20