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人気のある Word Problems >

Pat is 20 years older than his son James. In two years, Pat will be twice as old as James. how old will be james in 2 years

解

P a t i s 20 ye a rs o l d er t han hi s so n J am es . I n tw o ye a rs, P a t w i ll b e tw i ce a s o l d a s J am es . h o w o l d w i ll b e jam es in 2 ye a rs

解

Jame s^{'} s age in 2 years : 20

解答ステップ

Translate the problem into an equation:

x + 2 = 2 (x - 20 + 2)

x

を解く

x + 2 = 2 (x - 20 + 2) : x = 38

発見する James's age in 2 years:

20

Jame s^{'} s age in 2 years : 20

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