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Popolare Word Problems >

Steve is three times as old as John. In 8 years, John's age will be one half that of Steve's. What are their present ages?

Soluzione

St e v e i s t h ree t im es a s o l d a s J o hn . I n 8 ye a rs, J o h n^{'} s a g e w i ll b e o n e ha l f t ha t o f St e v e^{'} s . Wha t a re t h e i r p rese n t a g es ?

Soluzione

John^{'} s age is : 8

Steve^{'} s age is : 24

Fasi della soluzione

Translate the problem into an equation:

x + 8 = \frac{1}{2} (3 x + 8)

Risolvi per

x, x + 8 = \frac{1}{2} (3 x + 8) : x = 8

Trova age

John^{'} s age is : 8

Steve^{'} s age is : 24

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