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人気のある Word Problems >

Joey is 20 years younger than Becky. In two years, Becky will be twice as old as Joey

解

J oey i s 20 ye a rs yo u n g er t han B ec k y . I n tw o ye a rs, B ec k y w i ll b e tw i ce a s o l d a s J oey

解

Joey^{'} s age is : 18

Becky^{'} s age is : 38

解答ステップ

Translate the problem into an equation:

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

x

を解く

x + 20 + 2 = 2 (x + 2) : x = 18

発見する age

Joey^{'} s age is : 18

Becky^{'} s age is : 38

人気の例

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