May I get some help with this?

Owners of a recreation area are filling a small pond with water. They are adding water at a rate of 25 liters per minute. There are 500 liters in the pond start. Let W represent the amount of water in the pond (in liters), and let T represent the number of minutes that water has been added. Write an equation n W to T, and then graph your equation using the axes below. 700_. 600- 500- Equation: 400- X 0-0 300- X 200 100