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Noy is twice as old as Kris. In eight years, Noy will be 4 years older than kris. Find their present age

Solution

Noy is twice as old as Kris. In eight years, Noy will be 4 years older than kris. Find their present age

Solution

Kris^{'} s age is : 4

Noy^{'} s age is : 8

Solution steps

Translate the problem into an equation:

2 x + 8 - 4 = x + 8

Solve for

x, 2 x + 8 - 4 = x + 8 : x = 4

Find age

Kris^{'} s age is : 4

Noy^{'} s age is : 8

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