CASE 3. When the given quantity cannot be produced by the mul tiplication of two small numbers, RULE. Find the nearest number to it lefs, by which multiply as before, then for what is wanting multiply the price by that number, and add it to the laft product and the total will be the answer required. Anf. £. 82° 6 4= 1 22 13 Anf. £.23 11 101 In the 28th example I have taken the two nearest numbers above the given quantity, whofe product is 88; by which I found the value of that number of dozens of hose to 1947. 6s. 8d. from which I fubtracted twice the price of one dozen to find the price of 86, the answer to the queftion. CASE 4. When the given quantity confists of 1,, or 2. RULE. Divide the upper line (the price of one) by 4 for 4, by 2 for; and for, by 2 firft for 4, then divide that quotient by 2 for 4; add them to the product, and the fum will be the answer required. E. 32. Bought 83 butts of strong beer, at 87. 45. 8d. per butt; When your given quantity happens to be very large, fo as to confift of hundreds, thoufands, &c. it may be wrought by the continual product of three or more numbers; and if your given quantity is thoufands, multiply the price of 100 by 10 for 1000, and the product by the num ber of thousands, and for the lower quantities proceed as before. The following examples will make this fufficiently clear to be understood. EXAMPLE 1. WEIGHTS A filverfmith has 4 bars of filver, each 4. 60%. 8 dwts. 3 grs. what is the weight of the whole? lb. oz. davis. grs. MEASURES. 4 6 8 3 4 Note. Weights, measures, &c. are multiplied after the fame manner as money, only you must remember to carry according to each denomination that refpectively pertain thereto. Quest. 2. The Silk-mill at Derby contains 26586 wheels, and 97746 movements, which wind off or throw 73726 yards of filk every time the great water wheel, which gives motion to all the reft, turns round, which is three times a minute; the question is, how many yards of filk may may be thrown by this machine in a day reckoning ten hours to a day's work? And how many in the compafs of a year, deducting for Sundays and holidays 63 days, provided no part of it ftands ftill? 73726 221178 Yards in a minute 13270680 10 Hours to a day 132706800 Yards in a day 302 265413600 3981204000 Anfwer 40077453600 Yards in a year. Queft. 3. There are 7 chefts of drawers, in each of which are 18 draw. ers, and in each of these are 6 divifions, in each of which there is 167. 6s. 8d. how much is there in the whole? f. s. d. 16 68 6 98 o o in each drawer 18 1764 in each cheft 7 Anfwer 12348 Pounds in the whole. Queft. 4. A lady's caterer bought 10 birds of two forts, viz. turkies and geefe, for 24 fhillings; the turkies coft 4 fhillings, and the geefe z fhillings a-piece; how many did he buy of each fort? 2 Turkeys 4 85. 8 Geefe 2 16s.+8=24s. the price. Or thus; 2X 48s. the price of the turkies, and 8 x 216s. the price of the geefe; confequently 2 turkies + 8 geefe 10, the answer. Queft. 5. Suppofe a gentleman has an estate of 800l. per annum, and land-tax 150/. alfo for repairs 381. 145. 2d. what is his neat eftate per annum? he pays Neat eftate per annum Queft. 6. In a company S had 37. 17s. 2d. more than T, who had 6 guineas lefs than R, who had within 16s. 8d. as much as W, who was known to have 100 guineas, wanting 10 marks, of 13s. 4d, each; pray money had they among them? what H 2 First, |