Three years ago a mother was four times as old as her daughter. In nine years time the mother will be twice as old as her daughter. How old are they now?

Solution

Solution

Mother^{'} s age is : 27

Daughter^{'} s age is : 9

Solution steps

Translate the problem into an equation:

x - 3 = 4 (y - 3), x + 9 = 2 (y + 9)

x - 3 = 4 (y - 3), x + 9 = 2 (y + 9) : x = 27, y = 9

Mother^{'} s age is : 27

Daughter^{'} s age is : 9

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