Question 341841
let daughter be x years now
mother is 3x now.
9 years ago
daughter = x-9
mother = 3x-9
..
3x-9 = 6(x-9)
3x-9 = 6x -54
6x-3x= 54 -9
3x=45
divide by 3
x= 15 daughter's age
mother's age = 3x = 3*15 = 45 years