|31556937=525949=8766=365.5° 48′ 57′′ = 1 year. SECT. II. ADDITION of WEIGHTS, MEASURES, &C. RULE. LWAYS begin with those figures of the loweft or least denomination, and add them altogether into one fum then confider how many of the next fuperior denomination are contained in that fum, fo many units you must carry to the faid next superior denomination, to be added together with thofe figures that ftand there; and if any thing remain over, that overplus muft be fet down underneath its own denomination; but if you cannot otherways discover how many of the next fuperior denomination are contained in that fum, divide it by the number of units contained in one of the next denomination fuperior thereto, and fet down the remainder, and carry the quotient. And fo proceed on from one denomination to another, until all be finished. 1. A merchant buys up fix bags of Canterbury hops, No 1. of which weighed 2 cwt. 2 qrs. 10 lb.; N° 2. 2 cwt. 1 qr. 16 lb.; N° 3. 2 cwt. o qrs. 24 lb.; No 4, 2 cwt. 3 qrs. only; N° 5. 2cwt; 1 qr. 12 lb.; N°6. 2 cwt I qr. 16 lb.; befides a couple of pockets, ditto, that weighed 58 lb. each. How many hundreds weight has he to pay carriage for, on bringing them to town? Bags, 2. In a gentleman's fervice of plate, there are fourteen difhes, weighing 193 oz. 13 dwt.; plates thirty-fix, weighing 421 oz. II dwt.; four dozen of fpoons, weighing 104 oz. 6 dwt.; fix falts, chafed, weighing 32 oz.; knives and forks, weighing 83 oz. 9 dwt.; fourteen prefenters, weighing 113 oz. 4 dwt.; in mugs, tumblers, beakers, and other odd pieces, weighing 264 oz. 18 dwt. ; filver tea-kettle and lamp, weighing 126 oz. 9 dwt.; and the rest of that equipage 93 oz. 2 dwt. What quantity of plate had the butler under his care? 3. The diftance betwixt two places is fuch, that if three miles and five furlongs is taken from it, what remains is equal to eight miles, four furlongs, and 100 yards; what is the distance of those two places? M. F. Yds. 3 5 8 4 100 12 I 100, the answer. 4. In my furvey of the river Glen, from Bastonhedges to the Outfall, I found the feveral distances as follow: To Clarke's house To the toll-bridge To the falling in of Bourn-Eau To Gutram-cot To Pinchbeck-bar M. F. P. 4 1 6 6 24 1221 I I I 4 4 36 2 28 I I 32 14 5 18 5. A father was 18 years four months old (reckoning 13 months to one year, and 28 days to one month) when his eldest child was born. Betwixt the eldest and second, were II months, 10 days. Betwixt the second and third, were three years, eight months. When the third is 12 years, fix months, 20 days, how old is the father? SUBTRACTION of WEIGHTS, MEASURES, &c. I refer the young ftudent to the general rule for fub traction, Chap. I. Sect. III. 1. Having 1. Having bought two hundred weight, and three quarters of fugar, and fold thereof one hundred, two quarters, and 14 pounds; what is yet unfold? 2. A father was 24 years, nine months, to days old, when his eldest fon was born; and is now 56 years, three months, and 22 days. How old is the fon? Y. M. D. 56 3 22 31 7 12, the answer. 3. Received in lieu of two gold repeaters, fent to Jamaica in 1756, the five chefts of indigo following; and on a like adventure in 1758, the fubfequent five chefts. The queftion is, how mnch indigo I had lefs the fecond time than the firft? 4. Jacob, by contract, was to ferve Laban for his two daughters 14 years; and when he had accomplished 11 years, II months, 11 weeks, 11 days, 11 hours, and 11 minutes; pray how long had he yet to serve ? 5. When the air preffeth with its full weight in very fair weather, it may be demonftrated, that there prefs upon a human body about 302 cwt. 2 qrs. 25 lb. of that fluid matter; and in very foul weather, when the air is moft light, 273 cwt. I qr. 20 lb. What difference of weight lies on fuch a body, in the two greatest alterations of the weather? cwt. qrs. lb. 302 2 25 273 I 20 Cwt. 29 I 5, the answer. SECT. IV. REDUCTION. REDU EDUCTION alters or changes any fuperior denomination propofed, into any inferior or leffer denomination required; ftill keeping them equivalent in value." And the contrary. RULE. Confider how many units of the denomination required, make one of that denomination propofed to be reduced (which is eafily known by its refpective table) and with that number of units multiply or divide the denomination propofed, and their product, or quotient, will be the number required. |