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39
68/78 = 34/39
(s + 65 + 62 + 70 + 68) / 5 = 66.2 ∴ s + 65 + 62 + 70 + 68 = 331 ∴ s = 331 - 65 - 62 - 70 - 68 ∴ s = 66
The average of 65 and 55 and 84 is 68
0.5735
68 + 65 = 133
0.5735
65
68
68
68
39
65.8
Barry Manilow is 68.
57.35%
4420
The eight elements that are named after towns are Berklium (97), Dunium (105), Darmstadtium (111), Erbium (68), Strontium (38), Terbium (65), Ytterbium (70), and Yttrium (39). The towns, in the corresponding order, are Berkley, CA, Dubna, Russia, Damstadt, German, Ytterby, Sweden, Strontian, Scotland, Ytterby, Sweden, Ytterby, Sweden, and Ytterby, Sweden.