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December 21, 2014

December 21, 2014

Posted by **Bella** on Monday, October 7, 2013 at 8:18am.

(if you would,just give me the formula and i'll take it from there)

thank you

- Math -
**Reiny**, Monday, October 7, 2013 at 8:36amlet the width of the frame be x cm

width of whole thing = 8+2x

length of the whole thing = 12 + 2x

whole thing - actual picture = actual picture

(8+2x)(12+2x) - 96 = 96

expand and simplify, take everything to the left and you have a quadratic equation, which you said you can handle.

(hint: you should get x=2)

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