dy Contaminated water is being pumped continuously into a tank at a rate that is inversely proportional to the amount of water in the tank; that is, dt where y is the number of gallons of water in the tank after t minutes (t > 0). Initially, there were 5 gallons of water in the tank, and after 3 minutes there were 7 gallons. How many gallons of water were in the tank at t=18 minutes? O V97 O V6I 17 O 13

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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.