1 point Initially 10 grams of salt are dissolved into 40

Last updated: 7/12/2023

1 point Initially 10 grams of salt are dissolved into 40 liters of water Brine with concentration of salt 4 grams per liter is added at a rate of 2 liters per minute The tank is well mixed and drained at 2 liters per minute a Let x be the amount of salt in grams in the solution after 1 minutes have elapsed Find a formula for the incremental change in the amount of salt Ax in terms of the amount of salt in the solution x and the incremental change in time At Enter At as Deltat Ax grams b Find a formula for the amount of salt in grams after t minutes have elapsed x t grams c How long must the process continue until there are exactly 20 grams of salt in the tank minutes