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Populaire >

father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son (in years) is

Solution

father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son (in years) is

Solution

Son^{'} s age is : 15

Father^{'} s age is : 45

étapes des solutions

Translate the problem into an equation:

3 x - 5 = 4 (x - 5)

Solutionner pour

x, 3 x - 5 = 4 (x - 5) : x = 15

Trouver age

Son^{'} s age is : 15

Father^{'} s age is : 45

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