Question

The difference between two numbers is 9.five times the smaller plus the larger us 99.find the numbers?

Answer 1

let two no.s be x and y
x-y=9
let smaller no. to be y
5y+x=99
substact 2nd from 1st you get
6y=90
y=15
and x=24

Answer 2

x-y=9
5y+x=99
5y+9+y=99
6y=90
y=15
x=24