Question

the ratio of girls and boys in a class is 1:3.set up an equation between the students of a class and boys and then draw its graph . also find the number of boys in aclass of 40 students from the graph

Answer 1

let the common ratio be x.
Thsn girls are x and boys 3x.
Total students =40
equation therefore is x+3x=40

Plot this on graph paper.

solution for this equation
4x=40
x=40/4
=10

so no of girls=10
and no of boys =30
HOPE THE ANSWER HELPS YOU. PLS PLS MARK THE ANSWER AS BRAINLIEST ANSWER.