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Popolare Word Problems >

Andy is now 25 years older than his brother, Bob. In 15 years Andys age will be twice Bobs age then. How old are Andy and Bob now?

Soluzione

A n d y i s n o w 25 ye a rs o l d er t han hi s b ro t h er, B o b . I n 15 ye a rs A n d ys a g e w i ll b e tw i ce B o b s a g e t h e n . Ho w o l d a re A n d y an d B o b n o w ?

Soluzione

Andy^{'} s age is : 35

Bob^{'} s age is : 10

Fasi della soluzione

Translate the problem into an equation:

x + 15 = 2 (x - 25 + 15)

Risolvi per

x, x + 15 = 2 (x - 25 + 15) : x = 35

Trova age

Andy^{'} s age is : 35

Bob^{'} s age is : 10

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