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September 15, 2014

September 15, 2014

Posted by **Jorge** on Wednesday, May 2, 2012 at 9:03pm.

- College Algebra -
**Reiny**, Wednesday, May 2, 2012 at 9:33pmlet the width of the strip to be added be x ft

new length = x+40

new width = x+25

new area = (x+40)(x+25)

old area = 25x40 = 1000

(x+40)(x+25) = 2000

x^2 + 65x - 1000 = 0

All you asked for was the equation,

solve it using the quadratic equation formula

- College Algebra -
**Jorge**, Wednesday, May 2, 2012 at 9:57pmGot it thanks. I had gotten up to the equation but completely forgot to plug it into the quadratic to get my answer of 12.845

Thanks again.

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