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Popolare Word Problems >

Travis is 17 years older than his sister Kate. In 11 years, he will be twice as old as Kate. How old is each of them now?

Soluzione

T r a v i s i s 17 ye a rs o l d er t han hi s s i s t er K a t e . I n 11 ye a rs, h e w i ll b e tw i ce a s o l d a s K a t e . Ho w o l d i s e a c h o f t h e m n o w ?

Soluzione

Travis^{'} s age is : 23

Kate^{'} s age is : 6

Fasi della soluzione

Translate the problem into an equation:

x + 11 = 2 (x - 17 + 11)

Risolvi per

x, x + 11 = 2 (x - 17 + 11) : x = 23

Trova age

Travis^{'} s age is : 23

Kate^{'} s age is : 6

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