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Beliebt Word Problems >

vereinfachen Nine years ago, Jareth was five times as old as Dave. Now, he is only three times as old as Dave. Find their present ages.

Lösung

s im pl i f y N in e ye a rs a g o, J a re t h w a s f i v e t im es a s o l d a s D a v e . N o w, h e i s o n l y t h ree t im es a s o l d a s D a v e . F in d t h e i r p rese n t a g es .

Lösung

Dave^{'} s age is : 18

Jareth^{'} s age is : 54

Schritte zur Lösung

Translate the problem into an equation:

3 x - 9 = 5 (x - 9)

Löse nach

x, 3 x - 9 = 5 (x - 9) : x = 18

Finde age

Dave^{'} s age is : 18

Jareth^{'} s age is : 54

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