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인기 있는 Word Problems >

In 6 years' time, Jane's father will be three times as old as her and the sum of their ages will be 64. How old is her father now?

해법

I n 6 ye a r s^{'} t im e, J an e^{'} s f a t h er w i ll b e t h ree t im es a s o l d a s h er an d t h e s u m o f t h e i r a g es w i ll b e 64. Ho w o l d i s h er f a t h er n o w ?

해법

Father^{'} s age is : 42

솔루션 단계

Translate the problem into an equation:

x + 6 + y + 6 = 64, y + 6 = 3 (x + 6)

x + 6 + y + 6 = 64, y + 6 = 3 (x + 6) : x = 10, y = 42

Father^{'} s age is : 42

인기 있는 예

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