A man is at present seven times as old as his daughter. In ten years from now he will be three times as old as his daughter will be then. How old is his daughter now?

Solution

Solution

Daughter^{'} s age is : 5

Solution steps

Translate the problem into an equation:

7 x + 10 = 3 (x + 10)

Solve for

x, 7 x + 10 = 3 (x + 10) : x = 5

Daughter^{'} s age is : 5

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