X=4
If you plug in 4 for x you should get 49 which would add up with the other angles to equal 180
I'm pretty sure the answer is 3/5, cause vowels are A,E,I,O,U and the leters given are, A,B,C,I,E so there are 5 given letters and out of the five three are vowels, so 3 out of 5 are vowels so 3/5
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7/9 = 0.777777
8/11 = 0.727272
0.79
84% = 0.84
4/5 = 0.8
8/11, 7/9, 0.79, 4/5, 84%
