| 18. |
An underground chamber has been discovered in an old mansion. The chamber is thought to have been used for storing ammunition. The dimensions of the chamber are 14 feet by 6 feet by 6 feet. An old ammunition crate was also found in the chamber and it had dimensions of 1 foot by 1 foot by 2 feet. What is the maximum number of ammunition boxes of that size that could be put in the underground chamber?
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| 19. |
A pillar from an ancient city was found buried in the ground. It had a cross-sectional shape like that shown in the figure. If the area of the cross section is fourteen and four hundredths square meters, and the pillar was twenty-two and two tenths meters tall, what was the total volume of stone contained by the pillar?

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