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Writing a Equation of a Line from a Word Problem

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Owners of a recreation area are filling a small pond with water. They are adding water at a rate of 35 liters per minute. There are 500 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 using the axes below.

w is on left side and T is on the bottom

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You can look upon the rate as being the slope of the line (change in ...

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