75 = 40 + 35
18+19 = 37
The sum of the first ten positive integers is: 55
The sum of the first 500 positive integers is: 125,250
The sum of the first 30 positive integers is: 465.
The sum of the first 60 positive integers is 1830.
sum of positive integers will be a positive integer
The sum of two positive integers is always positive.
The sum of the first 200 positive integers is 19,900.
The sum of the positive integers from 1,000 to 1,100 inclusive is: 106,050
The sum of two negative integers is never positive.
The sum of the first eleven positive odd integers is 121.