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인기 있는 Word Problems >

bob is 1/2 that of barry's. Five years ago, Bob was 3 times as old as Barry. Find the age of both

해법

b o b i s \frac{1}{2} t ha t o f ba rr y^{'} s . F i v e ye a rs a g o, B o b w a s 3 t im es a s o l d a s B a rry . F in d t h e a g e o f b o t h

해법

Barry^{'} s age is : 4

Bob^{'} s age is : 2

솔루션 단계

Translate the problem into an equation:

\frac{1}{2} x - 5 = 3 (x - 5)

x

해결 대상

, \frac{1}{2} x - 5 = 3 (x - 5) : x = 4

age 찾다

Barry^{'} s age is : 4

Bob^{'} s age is : 2

인기 있는 예

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