Question 843301
let Kris daughter's age be x, then Kris age is 3x.
Six years ago Kris daughter's age = x-6 and Kris age = 3x -6
3x-6 = 5(x-6)
3x-6 = 5x - 30
2x = 30 -6
2x = 24
x = 12
Kris age = 3*12 = 36