Question

If the difference of two numbers is90. one is four times the other. find the number

Answer 1

let one number is x
2nd number is 4x
difference is 90
so, 4x-x= 90
3x= 90
x= 90/3= 30
so one number is 30
2nd number is 4*30= 120
ans is 30,120

Answer 2

Let the numbers x and 4x.
According to the question, the difference between the numbers =90
4x-x=90
3x=90
x=90/3
x=30
Therefore, the two numbers are 30 and 120.

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