Solve the problem.A 100 gal tank is half full of distilled water. At time = 0, a solution containing 2 lb/gal of concentrate enters the tank at the rate of 4 gal/min, and the well-stirred mixture is withdrawn at the rate of   When the tank is full, how many pounds of concentrate will it contain?

A. 175 pounds
B. 150 pounds
C. 200 pounds
D. 187.5 pounds


Answer: D

Mathematics

You might also like to view...

Solve the equation.ex - 1 = x + 3

A.
B.
C.
D.

Mathematics

Find the inverse of the function.f(x) = -x2 + 12, x ? 0

A. f-1(x) = 
B. f-1(x) = - 
C. f-1(x) = x2 + 12
D. f-1(x) = 

Mathematics

Scores in golf can be 0 (also called par), a positive integer (also called above par) or a negative integer (also called below par). Below are the scores of some members of a college golf team in a recent tournament. Find the average of the scores of the members shown.

A. -1 B. 0 C. 1 D. 2

Mathematics

Use inductive reasoning to give the next element in the list 1, 5, 9, 13

What will be an ideal response?

Mathematics