Equations and Graphing

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 700 liters in the pond to 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 relating w to T, and then graph your equation.

How would I graph this? The equation should be in fraction form, if possible.

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1. constant change with time so straight line of constant slope

at T = 0, w = 700 so (0,700) is on the line
slope = 25liters/min
w = m T + b
w = 25 T + 700

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posted by Damon

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