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인기 있는 >

eli is now a quarter of his father's age. in 5 years time his age will be a third of his father's age. how old is eli now?

해법

eli is now a quarter of his father's age. in 5 years time his age will be a third of his father's age. how old is eli now?

해법

Eli^{'} s age is : 10

솔루션 단계

Translate the problem into an equation:

\frac{1}{4} x + 5 = \frac{1}{3} (x + 5)

x

해결 대상

, \frac{1}{4} x + 5 = \frac{1}{3} (x + 5) : x = 40

Eli's age 찾다 :

10

Eli^{'} s age is : 10

인기 있는 예

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