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人気のある Word Problems >

Conner is 20 years younger than Alejandra. 3 years ago, Alejandra's age was 2 times Conner's age. How old is Conner now?

解

C o nn er i s 20 ye a rs yo u n g er t han A l e jan d r a . 3 ye a rs a g o, A l e jan d r a^{'} s a g e w a s 2 t im es C o nn e r^{'} s a g e . Ho w o l d i s C o nn er n o w ?

解

Conner^{'} s age is : 23

解答ステップ

Translate the problem into an equation:

x + 20 - 3 = 2 (x - 3)

x

を解く

x + 20 - 3 = 2 (x - 3) : x = 23

Conner^{'} s age is : 23

人気の例

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