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Noy is twice as old as Kris. In eight years, Noy will be four years older than Kris. Find their present ages.

Solución

Noy is twice as old as Kris. In eight years, Noy will be four years older than Kris. Find their present ages.

Solución

Kris^{'} s age is : 4

Noy^{'} s age is : 8

Pasos de solución

Translate the problem into an equation:

2 x + 8 - 4 = x + 8

Resolver para

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

Hallar age

Kris^{'} s age is : 4

Noy^{'} s age is : 8

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