Question 253286
Warren's age is X, so Erin's age is 3X
In 4 years Warren is x+4, Erin is 3X+4
We are told 3X+4 = 2(X+4)
so 3X+4 = 2X + 8
so X = 4
Warren is 4, Erin is 12
in 4 years Warren is 8, Erin is 16
The trick is to use Warren's age to express Erin's age