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Populaire >

Martin is 2 years older than Kevin. The sum of their ages is 20. How old is Kevin 10 years from now?

Solution

Martin is 2 years older than Kevin. The sum of their ages is 20. How old is Kevin 10 years from now?

Solution

Kevi n^{'} s age in 10 years : 19

étapes des solutions

Translate the problem into an equation:

x + x - 2 = 20

Solutionner pour

x, x + x - 2 = 20 : x = 11

Trouver Kevin's age in 10 years:

19

Kevi n^{'} s age in 10 years : 19

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