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December 20, 2014

December 20, 2014

Posted by **felicia** on Wednesday, May 23, 2007 at 9:06pm.

i assume you mean how many sandwhiches total? in that case just add the fractions, if you dont have a calculator then start by finding the GCD or greatest common denominator, then add! :)

let x = total sandwitches

1/3 x + 1/6 x + 9 = x

Or 2/6x +1/6x + 9 = x

combine like terms

3/6x + 9 = x

or

1/2x +9 =x

multiply both sides by 2

so

x +18 = 2x

Now adda -x to both sides

18 = x

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