Answer:
Mrs. Kwok is 42.
Her daughter is 12.
Step-by-step explanation: Mrs. Knok's age = x Daughter's age = y
x-6=3y , (x-8)+2=9(y-8)
x-6=9y-72
(x-6)-(x-6) = (9y-72)-(3y) x-6=3(12)
0 = 6y-72 x-6=36
6y=72 x=42
y=12
5.7m questions
7.4m answers