Factory X and factory Y are among the 5 factories in a certain manufacturing business. If the CEO of a business must visit the 5 factories every day, in how many different possible orders can the CEO go to the factories so that factory X is ahead of factory Y?
A. 24
B. 30
C. 36
D. 48
E. 60![]()
A. 24
B. 30
C. 36
D. 48
E. 60
