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Beliebt Word Problems >

Sophie is 6 years older than Simphiwe. In 3 years', time Sophie will be twice as old as Simphiwe. How old is Sophie now?

Lösung

S o p hi e i s 6 ye a rs o l d er t han S im p hi w e . I n 3 ye a r s^{'}, t im e S o p hi e w i ll b e tw i ce a s o l d a s S im p hi w e . Ho w o l d i s S o p hi e n o w ?

Lösung

Sophie^{'} s age is : 9

Schritte zur Lösung

Translate the problem into an equation:

x + 3 = 2 (x - 6 + 3)

Löse nach

x, x + 3 = 2 (x - 6 + 3) : x = 9

Sophie^{'} s age is : 9

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