The sums of three whole numbers taken in pairs are 12, 17, and 19. What is the middle number?
Answer Choices
A. 4
B. 5
C. 6
D. 7
E. 8
The sums of three whole numbers taken in pairs are 12, 17, and 19. What is the middle number?
Answer Choices
A. 4
B. 5
C. 6
D. 7
E. 8