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Beliebt >

Ben is three times as old as John. The sum of their ages is 40 years. How old is each of them?

Lösung

Ben is three times as old as John. The sum of their ages is 40 years. How old is each of them?

Lösung

John^{'} s age is : 10

Ben^{'} s age is : 30

Schritte zur Lösung

Translate the problem into an equation:

3 x + x = 40

Löse nach

x, 3 x + x = 40 : x = 10

Finde age

John^{'} s age is : 10

Ben^{'} s age is : 30

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