Question

there are 40 students in school play if there are three times as many girls as boys in the play how many girls and how many boys are there in the Play

Answer 1

B+G=40
G=3B
B+3B=40
4B=40
B=40/4
B=10 is answer obtained

Answer 2

Let there be x number of boys
3x+x=40
4x=40
x=10
Therefore there are 10 boys in the play
And
Girls are three times boys=3x
=3(10)
=30
Therefore thre are 30 girls in the play.
Hope it helps
:)