563.
465 + 98 = 563
465
The total is 465
The sum of the first 30 positive integers is: 465.
The sum of whole numbers 1 through 30 is 465.
the "sum" means to add the numbers, therefore:98 + 126 = 224
Multiply 31 by 15 and you have your answer (465).
30*31/2 = 465
98 + 12087 = 12185
(30 + 1) * 30/2 ie 465
It is: 19+79 = 98