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受欢迎的 Word Problems >

Quinn is 57 years younger than Summer. 8 years ago, Summer's age was 4 times Quinn's age. How old is Quinn now?

解答

Q u inn i s 57 ye a rs yo u n g er t han S u mm er . 8 ye a rs a g o, S u mm e r^{'} s a g e w a s 4 t im es Q u in n^{'} s a g e . Ho w o l d i s Q u inn n o w ?

解答

Quinn^{'} s age is : 27

求解步骤

Translate the problem into an equation:

x + 57 - 8 = 4 (x - 8)

求解

x, x + 57 - 8 = 4 (x - 8) : x = 27

Quinn^{'} s age is : 27

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