If w, x, y, and z are the digits of the four-digit number N, a positive integer, what is the remainder when N is divided by 9?
1. w + x + y + z = 13
2. N + 5 is divisible by 9
1. w + x + y + z = 13
2. N + 5 is divisible by 9
Many of the great achievements of the world were accomplished by tired and discouraged men who kept on working.
