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Beliebt Word Problems >

jennifer is 7 years younger than melissa. in 4 years time jennifer will be 1 year older than half of melissa's age at that time. How old are jennifer and melissa now?

Lösung

j e nni f er i s 7 ye a rs yo u n g er t han m e l i ss a . in 4 ye a rs t im e j e nni f er w i ll b e 1 ye a r o l d er t han ha l f o f m e l i ss a^{'} s a g e a t t ha t t im e . Ho w o l d a re j e nni f er an d m e l i ss a n o w ?

Lösung

Jennifer^{'} s age is : 5

Melissa^{'} s age is : 12

Schritte zur Lösung

Translate the problem into an equation:

x + 4 - 1 = \frac{1}{2} (x + 7 + 4)

Löse nach

x, x + 4 - 1 = \frac{1}{2} (x + 7 + 4) : x = 5

Finde age

Jennifer^{'} s age is : 5

Melissa^{'} s age is : 12

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