Intuitive Calculations; The Most Concise Methods Ever Published, Designed for the Use of All Classes; To Which Is Added an Appendix on Decimal Computation, Coins, and Currency, with New Decimal Tables, Showing the Value of the Integral Quantity in Money, (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1856 Excerpt: ...lbs. of iron, at 2id. per lb.? Ans. 1 17s. 6d. 33.-220 lbs. of sugar, at 6id. per lb.? Ans. 5 19s. 2d. 34.--210 lbs. of coffee, at 1s. 8d. per lb.? Ans. 17 10s. PROBLEM 6. The amount of any number greater than 240, so that the excess may be an aliquot part thereof. Rule 6.--Write the pence as pounds, to which add such part of the same as the excess is of 240; the sum will be the amount. EXAMPLES. 35.--What are 260 lbs. of tea worth, at 2s. 7id. per lb.? Ans. 34 2s. 6d. 36.--What are 270 lbs. worth, at 13id. per lb.? Ans. 15 3s. 9d. 37.--What are 280 lbs. worth, at 9id. per lb.? Ans. 10 15s. 10d. 38.--What are 300 lbs. worth, at Hid. per lb.? Ans. 14 1s. 3d. 39.--What are 320 lbs. worth, at 8Jd. per lb.? Ans. 11 13s. 4d. 40.--What are 360 lbs. worth, at 15fd. per lb.? Ans. 23 12s. 6d. 41.--What are 560 lbs. worth, at 11id. per lb.? Ans. 26 5s. 42.--What are 600 lbs. of loaf sugar worth, at 10id. per lb.? Ans. 26 5s. 43.--What are 760 lbs. worth, at 18id. per lb.? Ans. 58 11s. 8d. Note.--This mode of calculation may be carried as far as you please. It is evident how any odd number may be computed: it is only requisite to find the amount of the even part, as is already shown, to which add the value of the prime part, and you have the total. PROBLEM 7. To calculate the amount of 240, or any number commensurate with 240, at pounds, shillings, pence, farthings, Sfc, per integer. Rule 7.--First, find for 240, at so many pounds; then for the shillings, pence, farthings, fractions, &c. All these sums added, will give the amount required. EXAMPLE. 44.--What is the value of 240 yards of broad cloth, at 1 7s. 7 id. per yard? 240 at 1 0 0 = 240 0 240 at 0 7 0 = 84 0 240 at 0 0 7 = 7 0 240 ...