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Beliebt Word Problems >

Elli's age is in 10 years will be the same as Peggy's age now. Five years from now, Peggy's age will be twice Elli's age. What are their present ages?

Lösung

Ell i^{'} s a g e i s in 10 ye a rs w i ll b e t h e s am e a s P e gg y^{'} s a g e n o w . F i v e ye a rs f ro m n o w, P e gg y^{'} s a g e w i ll b e tw i ce Ell i^{'} s a g e . Wha t a re t h e i r p rese n t a g es ?

Lösung

Elli^{'} s age is : 5

Peggy^{'} s age is : 15

Schritte zur Lösung

Translate the problem into an equation:

y = x + 10, y + 5 = 2 (x + 5)

y = x + 10, y + 5 = 2 (x + 5) : x = 5, y = 15

Elli^{'} s age is : 5

Peggy^{'} s age is : 15

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