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11-04-2017
Mathematics

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IGotChillsTheyreX IGotChillsTheyreX

11-04-2017

We know that a circle has 360 degrees. If the portions given to us surround the whole circle, then we can add them up to get 360. Therefore:
(X+40)+(4x+70)+(2x+110)=360
Combine common terms:
7x+220=360
Subtract 220
7x=140
Divide by 7
X=20

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