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July 28, 2014

July 28, 2014

Posted by **teresa** on Wednesday, September 15, 2010 at 12:45am.

- algebra -
**Johnny**, Wednesday, September 15, 2010 at 2:40amThe older has 26 and the younger 4

- algebra -
**Reiny**, Wednesday, September 15, 2010 at 8:04amNow:

older sister --- x

younger sister --- 20-x

new scenario:

older sister --- 2x

younger --- 20-x - 3 = 17-x

2x + 17-x = 30

x = 13

so now the older has 13, the younger has 7

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