Elementary arithmetic, with brief notices of its history... by Robert Potts.

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11. If 68 bales of linen contain 67,048 yards, and each bale contains 34 pieces, and each piece the same number of yards, how many
yards are there in each piece?
XV.
1. What is meant by saying that the solid content of a cube is the
'cube of one of its edges, and of the area of a square the square of one
of its sides?
2. How many cubic yards, feet, and inches are there in 496321675
-cubic inches? Reverse the process.
3. From a beam 8 inches thick and 9 inches wide, how many feet
must be cut off to contain a cubic foot?
4. Multiply 10 square inches by 10 lineal inches, and state the
nature of the product.
5. Divide 2 cubic feet 108 inches by 162, and by 1 square foot 18:inches, and state the nature of the quotients.
6. How many bricks, 9 inches long and 4 inches wide, will be
required to pave a courtyard 360 feet long and 220 feet wide?
7. What is the content in cubic feet of a bed of coal 5- miles long,
3 broad, and 30 feet deep?
8. A room contains 24,000 cubic feet of space, its length is 60 feet,.and its breadth 40 feet; what is its height?
9. How many bricks are there in a wall which is 120 yards long,
15 feet high, and 24 inches thick, supposing a brick to be 9 inches
long, 4 wide, and 3 thick?
10. How many leaden bullets 1 inch in diameter can be packed in
a box whose internal length is 2 feet 4 inches, and depth and breadth
each 18 inches?
XVI.
1. If 277280 cubic inches of water weigh 10000 pounds Avoirdupois, how many will weigh 1000 ounces?
2. If a cubic foot of water weigh 1000 l ounces, how many hundred
weight of water will a full cistern contain, whose length is 16 feet,
breadth 10 feet, and depth 7 feet?
3. What must the depth of a cistern whose length and breadth are
24 feet and 8 feet, which shall contain as many cubic feet as another
whose length, breadth, and depth are respectively 12 feet?
4. If a cistern be 12 feet long, 12 feet wide, and 12 feet deep, how
many cubic feet does it contain, and how many square feet are there
in its internal surface?
5. What must be the depth of a cistern 6 feet long and 4 feet wide
which shall contain as many gallons as are contained in two cisterns,
one containing 100 gallons and the other 200 gallons, if a gallon of
water weigh 10 pounds and a cubic foot of water weigh 1000 ounces?
6. If the pressure of the atmosphere at the surface of the earth,
when the barometer stands at 30 inches, be about 15 pounds on the