Water is poured into a tank so that the tank is being filled at the rate of 4 cubic feet per hour. If the empty rectangular tank is 6 feet long, 4 feet wide, and 3 feet deep, approximately how many hours does it take to fill the tank?
Choose the correct choice from the following options:
A) 16  B) 18  C) 20  D) 22  E) 24
The volume the tank is: length*width*depth = 6*4*3= 
<gadget id="calculator">6*4*3</gadget>
<output>72</output>
72 cubic feet.   72 cubic feet / 4 cubic feet per hour= 18 hours.   It will take 18 hours to fill the tank.   The answer is 18.
<result>B</result>
Water is poured into a tank so that the tank is being filled at the rate of 4 cubic feet per hour. If the empty rectangular tank is 6 feet long, 4 feet wide, and 3 feet deep, approximately how many hours does it take to fill the tank?