Question

A school tree is being palnt in aschool for class 8. Girls are 60percent of the total strenth and 18 in nubers find the ratio of boys and girls. Solution of mathematics .

Answer 1

Answer:

le the total strength be x

ATQ, 60%of x=18

60/100*x=18

3x/5=18

3x=18*5

x=90/3

x=30

no. of boys=30-18

=12

Ratio=12:18

=2:3

Answer 2

Step-by-step explanation:

Let total number of students = x

Number of girls = 18

=60%

60%of x= 18

60/100*x= 18

6/10*x = 18

x=18*10/6

x=30

So total students = 30

Number of boys =30-18

=12

Ratio of number of boys to girls

=12:18

=2:3

Hope it will help you.