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The sum of the ages of Timmy and John is 30. How old are they, if John is twice as old as Timmy?

Solution

The sum of the ages of Timmy and John is 30. How old are they, if John is twice as old as Timmy?

Solution

Timmy^{'} s age is : 10

John^{'} s age is : 20

Solution steps

Translate the problem into an equation:

x + 2 x = 30

Solve for

x, x + 2 x = 30 : x = 10

Find age

Timmy^{'} s age is : 10

John^{'} s age is : 20

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