Ticket Sales For a concert event, there are $30 reserved seat tickets and $20 general admission tickets. There are 2000 reserved seats available, and fire regulations limit the number of paid ticket holders to 3000. The promoter must take in at least $75,000 in ticket sales. Find and graph a system of inequalities describing the different numbers of tickets that can be sold

S343 Section 2.3 Notes- Modeling with First Order Equations 8-30-16 Ex. A pipe is pouring liquid into a tank at gallons per minute. The tank is stirring and has an exit rate, through another pipe, of gallons per minute. Suppose the tank has a capacity of 100 gallons. The 1 liquid coming into the tank is water with lb per gallon, and the amount of in the tank at 4 time is in lbs. o Model this situation with a differential equation. = −