math
posted by Molly .
Brandon has a 55gallon fish tank. He estimates he can drain the tank at an average rate of 11 gallons per minute. In a linear model of this situation, x represents the number of minutes the tank has been draining. Relative to this situation, what does the yintercept represent?
A: The yintercept represents the number of minutes it takes to drain the tank.
B: The yintercept represents the rate at which the tank can be drained.
C: The yintercept represents the amount of water in the tank after it has been drained.
D: The yintercept represents the amount of water in the tank before it has been drained

the answer would be D.