the age of jane and john add up to 25years.8years ago jane was twice as old as john.how old are they now?

2 answers

Oh, I see, it is math, well check physics below.
Let
x be Jane's age now
y be John's age now

They have said

x+y = 25
(x-8) = 2(y-8)

So, just solve for x and y.