The demand equation for tuna in a small town is  pq1.5=50000 where q is the number of pounds of tuna that can be sold in on month at a price of $p per pound. The towns fishery finds that the demand for tuna is currently 900 pounds per month and is increasing at a rate of 100 pounds per month each month. How fast is the price changing?

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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.