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Populaire >

A mother is currently 10 times older than her son. In 4 years time, she will be 7 times older than her son.

Solution

A mother is currently 10 times older than her son. In 4 years time, she will be 7 times older than her son.

Solution

Boy^{'} s age is : 8

Mother^{'} s age is : 80

étapes des solutions

Translate the problem into an equation:

10 x + 4 = 7 (x + 4)

Solutionner pour

x, 10 x + 4 = 7 (x + 4) : x = 8

Trouver age

Boy^{'} s age is : 8

Mother^{'} s age is : 80

Exemples populaires

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