Respuesta :
Answer:
The two animals that are added to the zoo each hour.
Step-by-step explanation:
Since 9-11 is two hours apart, and 4 animals were added at that time, the only answer that makes sense is to divide the 4 by 2 since it took 2 hours to get all 4 animals.
Step-by-step explanation: The 2 would represent X b/c f would equal the amount of time and the x would have to be 2 to represent the ammount that's being added