A tank contains 280 gallons of water and oz of salt. Water containing a salt concentration of oz/gal flows into the tank at a rate of gal/min, and the mixture in the tank flows out at the same rate. The long-time behavior of the solution is an oscillation about a certain constant level. What is this level

the answer is a

step-by-step explanation:

because your just changing the position of where the shape is

the answer is 510

step-by-step explanation:

15 • 13 = 195

15 • 12 = 180

15 • 5 = 75

12 • 5 = 60

195 + 180 = 375

375 + 75 = 450

450 + 60 = 510

idk idk idk idk idk

step-by-step explanation:

i believe it's a.

i'm not sure on this one, most likely correct.