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人気のある Word Problems >

Johnny is 24 years older than Ron. 10 years ago, Johnny was 2 times as old as Ron. Determine Ron's present age.

解

J o hnn y i s 24 ye a rs o l d er t han R o n . 10 ye a rs a g o, J o hnn y w a s 2 t im es a s o l d a s R o n . De t er min e R o n^{'} s p rese n t a g e .

解

Ron^{'} s age is : 34

解答ステップ

Translate the problem into an equation:

x - 10 = 2 (x - 24 - 10)

x

を解く

x - 10 = 2 (x - 24 - 10) : x = 58

発見する Ron's age

: 34

Ron^{'} s age is : 34

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