Q. How is the fineness of gold expressed ↑ A. In carats. Q. How many carats make an ounce ? Q. How many parts is an ounce of silver divided into? Q. What are the parts called? A. Pennyweights. Q. How many carats fine is such gold as will abide the fire without loss accounted? A. 24. Q. How many ounces are there in a pound of silver, that loses nothing in trial? A, 12. Q. What is that base metal, which is sometimes mixed with gold or silver, called ? A. Alloy. Q. From what you have now been doing, for what purposes would you infer that this weight is used? A. To weigh jewels, gold, silver, coin, bread and liquors.* Q. What are the denominations of this weight? A. Grains, pennyweights, ounces, and pounds. Exercises for the Slate. 16. In 2 pounds how many ounces? In 4200 pounds? 9.50424 oz 17. In 24 ounces how many pounds? In 120000 ounces? A. 10002 lbs. 18. How many grains in 4 pounds? In 3600 pounds? AVOIRDUPOIS WEIGHT. A. 20759040 gr pound avoirdupois is heavier than a pound Troy, but an ounce Troy is heavier than an ounce avoirdupois. The pound avoirdupois is equal to 14 oz. 11 pwt. 15 grains Troy 1. How many ounces in 2 pounds? In 3? In 4? In 5? 2. At 2 cents an ounce, what will 2 lus. of tea cost? Will 3 lbs. ? Will 4 lbs.? Will 5 lbs.? 3. How many pounds in 2 yrs.? In 3 qrs.? In 4 qrs.? 4. What will 2 quarters of raisins come to, at 10 cts. a ponnd? What will 3 qrs.? What will 4 qrs.? 5. If you give 2 dollars for 1 qr. of flour, what must you pay for 14 lbs.? For 7 lbs. For 34 lbs.? 6. How many quarters in 2 cwt.? In 4 cwt.? In 5 cwt.? In 6 cwt.? In 8 cwt.? In 12 cwt.? In 15 cwt.? In 20 CWL.? In 30 cwt.? 7. At $1 a quarter, what will 2 cwt. of sugar cost? Will 4 cwt Will 5? Will 6? Will 8? Will 10? Will 15? Will 20? Will 30? 8 How many hundred weight in 2 tons? How many in 3 tons? In 4 tons? In 5 tons? In 6 tons? In 8 tons? In 10 tons? cwt. for it, What will 4 What will 9. You buy 2 tons of hay, and pay 1 dollar a what will it come to? What will 3 tons? tons? What will 5 tons? What will 6 tons? 8 tons? What will 10 tons? What will will of a ton? What will? (A ton ewt. or 20 parts; therefore is 1 cwt.) What will å? ?? ?? of a ton? What is divided into 20 10. What will of a quarter of coffee come to, at 11 cts. a pound? What will?? will 3 pounds? 5: 7, 92102?? What Q. From what you have now been doing, for what purposes would you infer that this weight is used? A. To weigh all coarse goods, that are subject to waste, such as hay, flour, &c., and all metals except gold and silver. Q. What are the denominations of this weight? A. Drams, ounces, pounds, quarters, hundreds and tons. Exercises for the Slate. 19. How many hundred weight in 2 tons? In 2832 tons • A 5660 cwt. 20, How many ounces in 2 pounda? In 104000 pounds? 4. 1664032 oz. .C. 21. In 8 quarters how many hundred weight? In 240 qru.! A. 12 cwt. 22. In 1 hundred weight how many quarters? A. 4 qrs. 4 qrs. how many pounds? A. 112. Nate. By the last example it appears, that 112 pounds make 1 hundred weight; but in our populous towns, especially seaports, traders buy and sell by the 100 pounds. Q. What is the use of this weight ? A. By it apothecaries compound their medicines. Q. Do they buy and sell by this weight? A. They buy and sell by avoirdupois weight. Q. What are the denominations of this weight? A. Grains, scruples, drams, ounces, and pounds. Exercises for the Slate. 23. How many drams in 2 ounces? In 4300 ounces ? · A. 34896 drams. 24. How many ounces in 16 drams? In 6464 drams? A 810 ounces. 1 league, sign lea nake 3 feet. 5 yards 40 rods 8 furlongs 3 miles 694 statute miles, I degree on the earth, o 360 degrees, the circumference of the carth 1. If a man travel one furlong in 5 minutes, how far can he go in 10 minutes? In 15? In 20? In 30? 2. How many barley corns in 2 inches? In 3? In 4! In 5? In 6?, In 7? In 8? In 9? In 20? 15 3. How many inches are 6 barley corns? Are 12? Are Are 18? Are 21? Are 24? Are 27? Are 60? 4. How many inches in 3 feet? In 5 feet? In 12 feet? 5. How many rods is 1 furlong? Are 2? Are 4? Are 6? 6. How many furlongs in 80 rods? In 160? In 240? 7. How many furlongs are there in 2 miles? In 3? In 4? In 6? In 7? In 8? In 9? 8. How many miles in 16 furlongs? In 24? In 32? In 48? In 56? 9. How much is of a mile? Is ? Is? Is ? la ? lu? Is ? 10. If you travel a mile in 16 minutes, how much time will it take to travel of a mile? How much? ? j' ? 1 furlong? 4 furlongs? 16 furlongs? Q. What is the use of long measure ? A. Distances at sea are measured by it. Q. What are the denominations of this measure ? A. Barley corns, inches, feet, yards, rods, furlongs, miles, leagues and degrees. Exercises for the Slate. 25. How many furlongs in 2 miles? In 26784 miles? 4. 214288 fur. 26. How many furlongs in 80 rods? In 627360 rods? A. 15686 fur. 27. In 2 rods how many yards? In 11010 rods? (To mul tiply by 54, 83, &c., consult ¶ XXVII.) A. 60566. 25. In 11 yards how many rods? A. 2 rods. In 66 yards how many rods? We cannot easily divide 66 by 54, but we may multiply 66 by 2, making 132 half yards, which we can divide by 11, the half yards in ; thus, 66 × 2=132÷11 =12 rods, Ans. Hence, to divide by 54, 304, &c., we need only bring the divisor into halves, quarters, &c., also the dividend into the same, and the quotient will be the answer. 29. In 132 yards how many rods? In 4224 yards? A 792 rods. 30. How many barley arts in 2 inches? In 278365 inches? A. 835101. 5 ⚫ make make make make square mile. J. How many square inches in 2 square feet ? In 2. How many square foot in 3 square yards? In 4? In 62 In 7 In 8? In 9 In 10? In 11? In 12? In 20? In 30? In 40? In 50? In 60? 3. How many square yards in 36 square feet? In 45? In 54 ? In 63? In 72? In 81? In 90? In 180? 270? In 360? In 450? In 540? 4. How many square rods in 2 square roods? In 3? 4? In 6? In 8? In 5. How many square roods in 80 square rods? In 120? In 160? In 240? 6. At a dollar a square rod what will 2 square roods come to? What will 29 4? How many rods can you buy for 120 dollars? For 160 dollars? For 210 dollars? For 320 dollars? For 400 dollars? For 40 dobars? For 20 dollars? For 10 dollars? What would % of a rood cume w? tu? is? 23? 16? #8? #? 18? Q. What is the use of this measure ? ? A. To measure length and breadth only. Q. What are the denominations of this ¡neasure? A. Inches, feet, yards, rods, roods, acres, and miles. Exercises for the Slate. 31. In 2 square roods how many square rods. In 450 square roods? A. 18080 rods. 32. How many square acres in 2 square miles? In 2312 aquare miles? A. 1500160 sq. a. 33. How many square yards in 4 square rods? In 193600 square rods > 4.3856521. |