Joy is 2/3 as old as Lyn;Six years ago,Joy is 20 less than Lyn's age,How old are they Six years ago?

Answer 1

J = 2/3 * L
J-6 = (L-6) - 20

2 L/3 = 6 + L -26

2 L/3 - 3 L/3 = - 20
- L/3 = -20
L = 60
J = 40

J-6 = 34
L-6 = 54