Benjamin Naylor The speedy calculator

ISBN 13: 9781130397888

The speedy calculator

 
9781130397888: The speedy calculator
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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. 1850 Excerpt: ...Ans. 90.45 miles. (37--0.) 141. If 2 hogsheads, 19 gallons, 2 quarts of wine cost 93 Is. 2?d. what will 25 hogsheads, 36 gallons cost? Ans. 1030 7s. 4d. 2qrs. (152--12.)=140 dif. This question, solved in the ordinary way, will require 152 figures in the fork; our solution requires but 12, being a gain or saving of 140 figures. 142. If the earth 360 degrees in circumference, and each degree 69j miles, how long would a man be in travelling round it, who advances 20 miles a day, reckoning the year at 365 days? Ans. 3 years, 155 days. (104--7)=97 dif. 143. A merchant failing in trade owes in all $17,280, his effects are sold for $15,120; what does A. receive to whom he owes #5670? Ans. $4961.25. (50--10.) 144. How many yards of cloth, at 17s. 6d. per yard, can I have for 17 cwt. 2 quarters, 24 pounds of wool, at 15d. per pound? Ans. 141 yds. (47--3.) 145. If $1.75 will buy 7 pounds of loaf sugar, how much will $213.50 buy? Ans. 7 cwt. 2 qrs. 14 lbs. (40--0.) 146. A blacksmith gave $5.60 for 1 cwt. of iron, how much must he pay, at that rate, for 15 cwt. 2 quarters, 8 pounds?' Ans. $87.20. (58--0.) 147. If I pay $18 for 80 gallons of molasses, what should I pay for 2 hogsheads, 1 tierce, 23 quarts? Ans. $42.97. (29--4.) 148. If 18 bushels, 3 pecks of wheat cost $28.12j, what will 28 bushels cost, at the same rate? Ans. $42. (45--0.) 149. A man gave $5.30 for 6.25 cwt. of hay; how much would 1 ton, 7 cwt. 3 quarters, 14 pounds cost, at the same rate? Ans. $23.63. (65--5.) Here we suppose the common process will be to change 3 quarters, 14 pounds to a decimal. 150. If a loaf of bread weighing 28 ounces, be sold for 8 cents, when flour is worth $7.50 per barrel, what ought the 8 cent loaf to weigh when flour is worth $4.37.5 per barrel? Ans....

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