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人気のある Word Problems >

Ben is three times as old as John. The sum of their ages is 40 years. How old is each of them?

解

B e n i s t h ree t im es a s o l d a s J o hn . T h e s u m o f t h e i r a g es i s 40 ye a rs . Ho w o l d i s e a c h o f t h e m ?

解

John^{'} s age is : 10

Ben^{'} s age is : 30

解答ステップ

Translate the problem into an equation:

3 x + x = 40

x

を解く

3 x + x = 40 : x = 10

発見する age

John^{'} s age is : 10

Ben^{'} s age is : 30

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