At 12:00 P.M. the volume of water in a tank started changing steadily over time. The volume VV measured in gallons, tt minutes after the water volume started to change is given by the equation V=25100−12.55tV=25100-12.55t. The equation tells us that the volume of water in the tank was initially _____gallons, and that the volume is     by        .

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.