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Beliebt Word Problems >

Shaira is 7 years older than Maryl. Three years ago the sum of their ages was 12. How old are they now?

Lösung

S hai r a i s 7 ye a rs o l d er t han M a ry l . T h ree ye a rs a g o t h e s u m o f t h e i r a g es w a s 12. Ho w o l d a re t h ey n o w ?

Lösung

Shaira^{'} s age is : 12 \frac{1}{2}

Maryl^{'} s age is : 5 \frac{1}{2}

Schritte zur Lösung

Translate the problem into an equation:

x - 3 + x - 7 - 3 = 12

Löse nach

x, x - 3 + x - 7 - 3 = 12 : x = \frac{25}{2}

Finde age

Shaira^{'} s age is : 12 \frac{1}{2}

Maryl^{'} s age is : 5 \frac{1}{2}

Beliebte Beispiele

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