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Populaire Word Problems >

5 years ago, Nina was twice as old as Sam. In five years, she will be 1.5 times as old as Sam. How old are Sam and Nina now?

Solution

5 ye a rs a g o, N ina w a s tw i ce a s o l d a s S am . I n f i v e ye a rs, s h e w i ll b e 1.5 t im es a s o l d a s S am . Ho w o l d a re S am an d N ina n o w ?

Solution

Nina^{'} s age is : 25

Sam^{'} s age is : 15

étapes des solutions

Translate the problem into an equation:

x - 5 = 2 (y - 5), x + 5 = 1.5 (y + 5)

x - 5 = 2 (y - 5), x + 5 = 1.5 (y + 5) : x = 25, y = 15

Nina^{'} s age is : 25

Sam^{'} s age is : 15

Exemples populaires

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