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人気のある Word Problems >

Melvin is 18 years older than his daughter, Melly. Eight years ago, he was 7 times as old as his daughter. Find the present age of Melly.

解

M e l v in i s 18 ye a rs o l d er t han hi s d a ug h t er, M e ll y . E i g h t ye a rs a g o, h e w a s 7 t im es a s o l d a s hi s d a ug h t er . F in d t h e p rese n t a g e o f M e ll y .

解

Melly^{'} s age is : 11

解答ステップ

Translate the problem into an equation:

x - 8 = 7 (x - 18 - 8)

x

を解く

x - 8 = 7 (x - 18 - 8) : x = 29

発見する Melly's age

: 11

Melly^{'} s age is : 11

人気の例

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