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Beliebt Word Problems >

Five 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 Nina and Sam right now?

Lösung

F i v e 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 N ina an d S am r i g h t n o w ?

Lösung

Nina^{'} s age is : 25

Sam^{'} s age is : 15

Schritte zur Lösung

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

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