Question

the sum of two number is 42 and their ratio is 1:2.find the number

Answer 1

let the numbers be x and 2x.
x+2x= 42
3x=42
x=42/3=14
2x= 14*2=28

Answer 2

Let the coefficient be x.
Numbers will be x and 2x.
As per the question,
x +2x = 42
3x =42
x = 14.
So, the numbers are 14 and 28 .

Hope it will help....