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October 23, 2014

October 23, 2014

Posted by **Dom** on Monday, May 20, 2013 at 7:06pm.

- Pre-algebra -
**Reiny**, Monday, May 20, 2013 at 7:12pmpresent age:

Joe --- x

Sara --- x-24

Six years ago:

Joe ---- x-6

Sara --- x-24 - 6 = x - 30

x - 30 = (1/2)(x-6)

times 2

2x - 60 = x - 6

x = 54

Joe is now 54 , and Sara is now 30

check:

six years ago , Joe was 48 , and Sara was 24

Was he twice as old as Sara ??? YES

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