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受欢迎的 Word Problems >

The sum of the ages of Nicole and Kristine is 32. In 2 years, Nicole will be 3 times s old as Kristine. How old are they now?

解答

T h e s u m o f t h e a g es o f N i co l e an d Kr i s t in e i s 32. I n 2 ye a rs, N i co l e w i ll b e 3 t im es s o l d a s Kr i s t in e . Ho w o l d a re t h ey n o w ?

解答

Nicole^{'} s age is : 25

Kristine^{'} s age is : 7

求解步骤

Translate the problem into an equation:

x + 2 = 3 (32 - x + 2)

求解

x, x + 2 = 3 (32 - x + 2) : x = 25

找到 age

Nicole^{'} s age is : 25

Kristine^{'} s age is : 7

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