Question

john is 21 years older than julie. 6 years ago he was 4 times older than julie. how old is julie.

Answer 1

Answer:

3X + 3 = Y

if X + Y = 27

then x + 3X + 3 = 27

4X + 3 = 27

4X = 27 - 3

4X = 24

X = 6 (Kevin)

and y = 6 X 3 + 3 = 21 (Julie)

Answer 2

Answer:

let age of julie be x years

hence, john's age

x+21

6 years ago,

4(x-6) = x +21-6

4x-24= x +15

3x=39

x=13

hope helps ✌