Question

A school has 240 students.
The ratio girls: boys = 25: 23.
One day, there are 15 girls absent, and 15 boys absent.
Find the ratio girls: boys in school on this day.
Give your answer in its simplest form.

Answer 1

Answer:

25/48 * 240 = 125

23/48 * 240 = 115

(125-15): (115-15)

110 : 100

22:20

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Let g:b be gx+bx,25x+23x=48x

48x=240

x=240/48

x=5

25x=25×5=125

23x=23×5=115

ATQ

(125-15)+(115-15)

110+100=210

New ratio =11:10