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인기 있는 Word Problems >

Alex is ten years younger than Toni. Five years later, Toni will be twice as old as Alex. Find their present ages.

해법

A l e x i s t e n ye a rs yo u n g er t han T o ni . F i v e ye a rs l a t er, T o ni w i ll b e tw i ce a s o l d a s A l e x . F in d t h e i r p rese n t a g es .

해법

Alex^{'} s age is : 5

Toni^{'} s age is : 15

솔루션 단계

Translate the problem into an equation:

x + 10 + 5 = 2 (x + 5)

x

해결 대상

, x + 10 + 5 = 2 (x + 5) : x = 5

age 찾다

Alex^{'} s age is : 5

Toni^{'} s age is : 15

인기 있는 예

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