21. In 8 quarters how many hundred weight? In 240 qrs.? A. 62 cwt. 22. In 1 hundred weight how many quarters? A. 4 qrs. In 4 qrs. how many pounds? A. 112. Note-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 4360 ounces? A. 34896 drams. 24. How many ounces in 16 drams? In 6464 drams? A. 810 ounces. he 1. If a man travel one furlong in 5 minutes, how far can in 10 minutes? In 15? In 20? In 30? go 2. How many barley corns in 2 inches? In 3? In 4? In 5? In 6? In 7? In 8? In 9? In 20? 3. How many inches are 6 barley corns? Are 12? Are 15? 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? 4? In 6? In 7? In 8? In 9? In 3? In 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 ? Is ? Is ? Is ? 10. If you travel a mile in 16 minutes, how much time will it take to travel of a mile? How much? ? 1 furlong? 4 furlongs? 16 furlongs? Q. What is the use of long measure? Q. What is the use of the league ? 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? A. 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 multiply by 5, 83, &c., consult ¶ XXVII.) A. 60566. 28. In 11 yards how many rods? A. 2 rods. In 66 yards how many rods? We cannot easily divide 66 by 5, but we may multiply 66 by 2, making 132 half yards, which we can divide by 11, the half yards in 5; thus, 66 × 2=132÷11=12 rods, Ans. Hence, to divide by 5, 301, &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 corns in 2 inches? In 278365 inches? A. 835101. LAND OR SQUARE MEASURE. Repeat the 144 square inches 2724 square feet, 4 square roods 640 square acres make make make 1. How many square inches in 2 square feet? 2. How many square feet in 3 square yards? In 4? In 5? In 6? 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? In 270? In 360? In 450? In 540? 4. How many square rods in 2 square roods? In 3? In 4? In 6? In 8? 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 3? 4? How many rods can you buy for 120 dollars? For 160 dollars? For 240 dollars? For 320 dollars? For 400 dollars? For 40 dollars? For 20 dollars? For 10 dollars? What would of a rood come to??? 28? ? 28? ? 18? ? Q. What is the use of this measure? A. To measure length and breadth only. Q. What are the denominations of this measure? 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 2342 square miles? A. 1500160 sq. a. 33. How many square yards in 4 square rods? In 193600 quare rods? A. 5856521 1. What will a parcel of wood come to, which is 8 feet long, 4 feet high, and 4 wide, at the rate of 6 dollars a cord? 2. If you pay 80 dollars for a ton of round timber, what will 80 feet come to? What will 120 feet come to? Q. What is the use of this measure? A. To measure length, breadth, and depth. Q. What are the denominations of this measure? A. Inches, feet, yards, tons, and cords. Exercises for the Slate. 34. In 2 cords of wood, how many solid feet? In 28 cords? A. 3840 feet. 35. How many solid inches in 2 solid feet? In 2800 solid feet? A. 4841856 solid inches. 36. How many solid feet in 345600 solid inches? solid inches? A. 600 solid feet. Repeat the TIME. TABLE. in 691200 1. If a man earn a dollar a day, how much will he earn in 2 weeks? In 5 weeks? In 7? In 9? In 20? In 40? In of a week? In? In ? In ? How many weeks could you hire him for $7? For 14? For 28? 2. A boy is to have $2 a week in a store; how much must the merchant pay him for one month's time? For 2? For 5? For 10? How long must he stay to come to 8 dollars? To 32? To 40? To 80? 3. If a man has $12 a month, what will two months' work come to? What will 4? What will 5? What will 7? What will 9? What will 1 year? 2 years? 48? 3 ? 13? of a month? 4. How many seconds in 2 hours? In 3? In 4? In 5? In 6? 5. If a watch click once in one second of time, how many times will it click in two minutes? In 3? In 4? In 5? In 6? How many times in g of an hour? In 8? In ? In 15? 6. How many minutes are there in 1 hour? In an hour? In ? In ? In #? In ? In 1? In 2? In 4? In 10? 7. How many hours in 2 days? In 3? In ? In ? In? In? In ? 8. How many days in 2 weeks? In 4 weeks? In 6? In 8? In 12? In 20? In 30? 9. How many weeks in 2 months? In 3? In 4? In 5? In 6? In 7? In 8? In 9? In 10? In 20? In 50? In 100? 10. How many months in 8 weeks? In 12? In 20? In 40? 11. How many calendar months in 2 years? In 4? In 7? In 12? 12. How many years are there in 24 calendar months? In 48? In 84? In 144? 13. If a man have 1 dollar for of a year, what will come to? What will 1 year come to? How long could you have him for 6 dollars? For 12? For 24? For 36? For 60? For 144? 14. If work be a dollar a day, what would a year's wages come to? What would of a year? What? What 3? What? What 38? |