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Beliebt Word Problems >

In five years, Tina will be twice as old as Amy. Four years ago, Amy was one Third the age of Tina. How old are they now?

Lösung

I n f i v e ye a rs, T ina w i ll b e tw i ce a s o l d a s A m y . F o u r ye a rs a g o, A m y w a s o n e T hi r d t h e a g e o f T ina . Ho w o l d a re t h ey n o w ?

Lösung

Tina^{'} s age is : 31

Amy^{'} s age is : 13

Schritte zur Lösung

Translate the problem into an equation:

y - 4 = \frac{1}{3} (x - 4), x + 5 = 2 (y + 5)

y - 4 = \frac{1}{3} (x - 4), x + 5 = 2 (y + 5) : x = 31, y = 13

Tina^{'} s age is : 31

Amy^{'} s age is : 13

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