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人気のある Word Problems >

Hassan’s age is three times Parul’s age. Samuel’s age is one-half Parul’s age. The total of their ages is 18. How old is Parul?

解

H a ss an ’ s a g e i s t h ree t im es P a r u l ’ s a g e . S am u e l ’ s a g e i s o n e - ha l f P a r u l ’ s a g e . T h e t o t a l o f t h e i r a g es i s 18. Ho w o l d i s P a r u l ?

解

Parul^{'} s age is : 4

解答ステップ

Translate the problem into an equation:

3 x + x + \frac{1}{2} x = 18

x

を解く

3 x + x + \frac{1}{2} x = 18 : x = 4

Parul^{'} s age is : 4

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