2184 ARITHMETIC
Weight (Avoirdupois). 16 ounces (oz.)=l pound (Ib.) 100 pounds = 1 hundredweight
(cwt.)
2000 pounds = 1 ton (T.) 2240 pounds = 1 long ton (L. T.) 60 pounds = 1 bushel wheat or potatoes.
196 pounds = 1 barrel flour. 200 pounds = 1 barrel pork or
beef.
Circular.
60 seconds (") =1 minute (')
60 minutes = 1 degree (°) 360 degrees = 1 circumference.
EXEECISE 25.
The following problems will help fix the tables in the mind. In performing a problem imagine yourself to be one of the parties in every transaction.
1. Change 26 quarts to bushels and pecks. Find the number of quarts in 3 bu., 3 pk., 3 qt.
2. Reduce 3 acres to square feet.
3. How many reams of paper are there in 6720 sheets?
4. Change 62,208 cu, in. to cu. yd.
5. A man bought 5 acres of land at $172 per acre, and sold it at 23c per sq. ft. What was his gain!
6. What must be paid for a pile of wood 25 ft. long, 4 ft. high, and 4 ft. wide, at $5.75 per cord!
7. Find the entire surface of a block of marble 10 ft. long, 2% ft. wide, and 1% ft. thick.
8. What will 5 bu. 3 pk. of potatoes cost at $1.15 per bushel?
9. How many gallons of water are there in a tank 3 ft. square, if the water is 4 ft. 4 in. deep!
10. A man paid $385 for 77 cords of wood. He sold the following lots: 12y2 cd., 18 cd., and 14% cd., all at $5.25 per cd. What did he gain on what he sold?
Time.
60 seconds (sec.)=l minute
(min.)
60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = l week (wk.)
365 days = l common year
(yr.)
366 days = 1 leap year.
12 months (mo.) =1 year. 100 years == 1 century
