Textbook ExpertVerified Tutor
28 Nov 2021
Given information
Given:-
water enters the tank at a rate of 10L/min
tank contains 1000L of brine
dissolved salt= 15kg
Step-by-step explanation
Step 1.
Now, let x be the amount of salt after t minutes
so,
rate in-rate out
so rate in = 0
now consider the rate out
then,
by integration on both side
when t=0, x=15
then