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Populaire >

Alex is a quarter the age of Jenny. In 4 years time, Jenny will be 3 times the age of Alex.How old is Jenny now?

Solution

Alex is a quarter the age of Jenny. In 4 years time, Jenny will be 3 times the age of Alex.How old is Jenny now?

Solution

Jenny^{'} s age is : 32

étapes des solutions

Translate the problem into an equation:

x + 4 = 3 (\frac{1}{4} x + 4)

Solutionner pour

x, x + 4 = 3 (\frac{1}{4} x + 4) : x = 32

Jenny^{'} s age is : 32

Exemples populaires

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