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Populaire >

George is twice as old as Jack. Jack is twice as old as Alex. The sum of their ages is 147

Solution

George is twice as old as Jack. Jack is twice as old as Alex. The sum of their ages is 147

Solution

Jack^{'} s age is : 42

George^{'} s age is : 84

Alex^{'} s age is : 21

étapes des solutions

Translate the problem into an equation:

2 x + x + \frac{x}{2} = 147

Solutionner pour

x, 2 x + x + \frac{x}{2} = 147 : x = 42

Trouver age

Jack^{'} s age is : 42

George^{'} s age is : 84

Alex^{'} s age is : 21

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