Question

the difference of two number is 90 one number is 4 times the other find the number

Answer 1

Let the first number be x
and the second number be 4x
4x - x = 90
3x = 90
x = 90/3
x = 30

the first number is 30
and the second is 120

Answer 2

Answer:

4x-x=90

3x=90

x=90/3

x=30

the first number is 30

and the second is 120