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Beliebt Word Problems >

Mr. Reyes is 4 times as old as his son. In 20 years, Mr. Reyes will be twice as old as his son. Find their present age.

Lösung

M r . R eyes i s 4 t im es a s o l d a s hi s so n . I n 20 ye a rs, M r . R eyes w i ll b e tw i ce a s o l d a s hi s so n . F in d t h e i r p rese n t a g e .

Lösung

Son^{'} s age is : 10

Reyes^{'} s age is : 40

Schritte zur Lösung

Translate the problem into an equation:

4 x + 20 = 2 (x + 20)

Löse nach

x, 4 x + 20 = 2 (x + 20) : x = 10

Finde age

Son^{'} s age is : 10

Reyes^{'} s age is : 40

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