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Diane is 23 years older than her daughter Amy. In 6 years, Diane will be twice as old as Amy. How old are they now?

Soluzione

Diane is 23 years older than her daughter Amy. In 6 years, Diane will be twice as old as Amy. How old are they now?

Soluzione

Diane^{'} s age is : 40

Amy^{'} s age is : 17

Fasi della soluzione

Translate the problem into an equation:

x + 6 = 2 (x - 23 + 6)

Risolvi per

x, x + 6 = 2 (x - 23 + 6) : x = 40

Trova age

Diane^{'} s age is : 40

Amy^{'} s age is : 17

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