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人気のある Word Problems >

The sum of the ages of Juwan and Riley is 66 years. 6 years ago, Juwan's age was 2 times Riley's age. How old is Juwan now?

解

T h e s u m o f t h e a g es o f J u w an an d R i l ey i s 66 ye a rs . 6 ye a rs a g o, J u w a n^{'} s a g e w a s 2 t im es R i l e y^{'} s a g e . Ho w o l d i s J u w an n o w ?

解

Juwan^{'} s age is : 42

解答ステップ

Translate the problem into an equation:

x - 6 = 2 (66 - x - 6)

x

を解く

x - 6 = 2 (66 - x - 6) : x = 42

Juwan^{'} s age is : 42

人気の例

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