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Beliebt Word Problems >

Three years ago, Evan was one third of his sister's age. In a year's time, Evan will be half of his sister's age. How old is Evan now?

Lösung

T h ree ye a rs a g o, E v an w a s o n e t hi r d o f hi s s i s t e r^{'} s a g e . I n a ye a r^{'} s t im e, E v an w i ll b e ha l f o f hi s s i s t e r^{'} s a g e . Ho w o l d i s E v an n o w ?

Lösung

Evan^{'} s age is : 6

Schritte zur Lösung

Translate the problem into an equation:

\frac{1}{2} x - 3 = \frac{1}{3} (x - 3)

Löse nach

x, \frac{1}{2} x - 3 = \frac{1}{3} (x - 3) : x = 12

Finde Evan's age

: 6

Evan^{'} s age is : 6

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