Question

Arjun is twice as old as Shreya. Five years ago his age was three times Shreya's age. Find their present ages with one variable.

Answer 1

Let Shreya be x, Arjun be y
2x=y

Five years ago
3(x-5)=y
3x-15=2x According to 1st equation
x=15
y=2(15)
y=30

So shreya’s age is 15
And arjun’s age is 30