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mother is twice as old as her daughter now,:but 10 years ago, she was 3 times as old as her:daughter. Find their ages at present.

Solution

mother is twice as old as her daughter now, :but 10 years ago, she was 3 times as old as her:daughter. Find their ages at present.

Solution

Daughter^{'} s age is : 20

Mother^{'} s age is : 40

Solution steps

Translate the problem into an equation:

2 x - 10 = 3 (x - 10)

Solve for

x, 2 x - 10 = 3 (x - 10) : x = 20

Find age

Daughter^{'} s age is : 20

Mother^{'} s age is : 40

Popular Examples

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