Problema Solution
david is twice as old as his daughter. in 14yr., David's age will be three times what his daughters age was 6yrs ago. How old are they now?
Answer provided by our tutors
D = 2x
D+14 =3(x-6)
substitute D=2x
2x+14=3x-18
32 = x
Daughter's age = 32
David's age= 64