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Beliebt Word Problems >

Gregory is 2 years older than Vivian. In 9 years the sum of their ages will be 84. How old is Gregory now?

Lösung

G re g ory i s 2 ye a rs o l d er t han Vi v ian . I n 9 ye a rs t h e s u m o f t h e i r a g es w i ll b e 84. Ho w o l d i s G re g ory n o w ?

Lösung

Gregory^{'} s age is : 34

Schritte zur Lösung

Translate the problem into an equation:

x + 9 + x - 2 + 9 = 84

Löse nach

x, x + 9 + x - 2 + 9 = 84 : x = 34

Gregory^{'} s age is : 34

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