The positive two-digit integers x and y have the same digits, but in reverse order. Which of the following must be a factor of x + y?
The positive two-digit integers x and y have the same digits, but in reverse order. Which of the following must be a factor of x + y? A. 6 B. 9 C. 10 D. 11 E. 14 Correct Answer: D Full explanation coming soon. Send us a note if you’d like this added to the express queue! You’ll find tons of practice […]