| 18. | Un tanque de agua ha sido comprado por la granja. Se utilizará para agua de ganado. Es un óvalo contenedor metálico formado que es3.9pies altos. El área del fondo del tanque es7.6square feet. If the cattle drink two hundred twenty-five cubic feet of water a day, how many times per day will the tank have to be filled?
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| | 19. | Captain Howard had his crew paint the smokestack on his ship the Sea Snail. The smokestack is shaped like a cylinder and is 36 feet 10 inches tall. The radius of the smokestack's base is nine feet. What is the volume of the smokestack?
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