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January 29, 2015

January 29, 2015

Posted by **tracy** on Thursday, October 20, 2011 at 11:18am.

- algebra -
**Henry**, Friday, October 21, 2011 at 3:31pmY = -4.1x^2 + 7.1x + 145 = 0.

Use Quadratic Formula to find X and get: X = 6.9 0r 7yrs.

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