Respuesta :
Wait do you want me to answer the question correctly or just want to mark me Brainly?
Answer: The third option or 30 - 2.5x is the correct answer.
Step-by-step explanation: 2.5x represents the rate of flow out of the container throught the leak. 30 represents the number of gallons originally in the container. You subtract the rate of flow per hour from the total amount of water in the container.