SOLUTION: A 40 gallon barrel is filled completely with pure water. Salt water with concentration of 0.4lb/gal is the pumped into the barrel, and the resulting mixture overflows at the same r
Algebra.Com
Question 720800: A 40 gallon barrel is filled completely with pure water. Salt water with concentration of 0.4lb/gal is the pumped into the barrel, and the resulting mixture overflows at the same rate. The amount of salt in the barrel at time T is given by:
Q(T)=18(1-e^-0.06T)
where T is measured in minutes and Q(t) is measured in pounds.
A.)How much salt is in the barrel after 5 minutes?
B.)How much salt is in the barrel after 12.5 minutes?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
is in pounds
is in minutes
(a)
pounds
(b)
pounds
Here's a plot of this function:
RELATED QUESTIONS
how much salt is in the tank after one hour? What is the concentration of salt in the... (answered by josgarithmetic)
A barrel contains 100 gallons of solution that initially has a concentration of 10 grams... (answered by josgarithmetic)
Please any help will be grateful with this problem .
A 400 gallon tank is filled with... (answered by Fombitz)
8 gal. of a 80% alcohol solution was mixed with 12 gal. of pure water. What is the... (answered by stanbon)
What is the strength of a salt solution that contains 12 gallons of salt and 18 gallons... (answered by longjonsilver)
At A water tank is being filled by water being pumped into the... (answered by richwmiller)
A metal solid right circular cone of base radius 4cm and height 12cm is put into a hollow (answered by mathslover)
A tank containing liquid is filled with 40L of 70% salt solution. What volume of the... (answered by ikleyn)
4 gal. of a saline solution was mixed with 6 gal. of pure water to make a 22% saline... (answered by richwmiller)