Question

A number is divided into two parts. One part is 3 times the other and their difference is 16 . Find the original number

Answer 1

let the number be x
let the other number be 3x

it is mention that there difference is 16

so,
3x-x=16
2x= 16
x=16/2
x=8

so the numbers are. x=8
3x=24
the number are 8 and 24

Answer 2

Let the first number be x

Then the second number is 3x

3x-x=16

2x=16

x=16/2

x=8

First number=8

Second number=3×8=24