89
It is: 27+89 = 116
70 + 19 = 89 or: the sum of 70 and 19 is 89
34.6 + 89 = 123.6
67 + 89 = 156
The real answer is 11 and 4
The sum of 101 and 89 is 190.
89 + x = x +89
11 * 89 = 979
316
122
Prime numbers having the sum of 100 are 47 + 53, 71 + 29, 89 + 11, 97 + 3, 83 + 17, and 41+ 59.