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The sum of Kim’s and Kevin’s age is 18. In 3 years, Kim will be twice as old as Kevin.What are their ages now?

Solution

The sum of Kim’s and Kevin’s age is 18. In 3 years, Kim will be twice as old as Kevin.What are their ages now?

Solution

Kim^{'} s age is : 13

Kevin^{'} s age is : 5

Solution steps

Translate the problem into an equation:

x + 3 = 2 (18 - x + 3)

Solve for

x, x + 3 = 2 (18 - x + 3) : x = 13

Find age

Kim^{'} s age is : 13

Kevin^{'} s age is : 5

Popular Examples

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