CASE VI. When the given quantity is any number of thousands, less than 13, as 4000, 7000, &c. RULE. Multiply the price of one by 10, that product by 10, and the second product by 10, then multiply the third product by the number of thousands; the fourth product will be the value of the whole : Or, Note. If the price is very small, proceed as directed in the note, to Case IV. EXAMPLES 1. Required the value of 9000 quintals of fish, at 12s. 9d. per quintal. 12 9 10 per Ib ? Ans. £ 5737 10 2. What is 12000 lb. of coffee worth, at ls. 91d. Ans. £ 1075. 3. 7000 gallons of wine, at 5s. 7per gallon ? Ans. £ 1961 9 2. 4. 11000 bushels of wheat, at 6s. 8d. per bushel ? Ans. £ 3666 13 4. CASE VII. When the given quantity is a number of hundreds, or of thousands, over 12, which are expressed in the multiplication table, as 2100 35000, &c. RULE. Find the value of 100, or 1000 (as the case may be) by the foregoing cases, then take the two pumbers, which produce the number of hundreds, or of thousands, and multiply the value of one hundred, or of one thousand, by one of those numbers, and that product by the other; the last product will be the value of the whole. Nore. When the price is very small, proceed as in note to Case IV. EXAMPLES 1. What is the value of 1500 bushels of wheat, at 7s. 4zd per bushel ? 3 times 5 are 15. 7.. 41 10 per barrel ? Ans. £ 553 2 6 2. Required the value of 21000 bushels of salt, at 5$. 6d. per bushel. Ans. £ 5775. 3. What is 2400 quintals of fish worth, at to 1 471, per quintal ? Ans. £ 2955. 4. What is 96000 barrels of beef worth, at £2 8.41, Ans. £ 232200. CASE VIII. When the given quantity is a number of hundreds, or of thousands, not expressed in the multiplication table. RULE. Find the value as near as you can, by Case VII ; then find the value of the odd hundreds, or odd thousands, which were not expressed in the table, and add it to, or subtract it from the other, as the case may require. Note. When the price is very small, proceed as in note to Case IV. EXAMPLES 1. What is the value of 1900 yards of linen, at 5s. 8 d. per yard? value of 1800, 513 15 0 value of 1900, £ 542 5. 10 2. Required the value of 26000 gallons of rum, at 4s. 9 d. per gallon. Ans. £ 6202 1 8. 3. 9300 lb. of coffee at 2s. 4d. Ans. £e 1085. 4. What is the value of 2300 barrels of tar, at 18s. 3d. per barrel ? Ans. £ 2098 15. Case IX. When the given quantity consists of units, tens, hundreds, thousands, &c. Rule. Find the value of the thousands, hundreds, &c. separately, and add them together; their sum will be the whole value. Nore. When the price is very small, proceed as in note to Case IV. EXAMPLES 1. Required the value of 7376 gallons of brandy, at 6s. 91 per gallon. 6 97 (6 10 value of 10. 3 7 11 (7 10 value of 100. 33 19 2 (3 10 value of 1000. 339 11 8 7 value of 7000= 2379 1 8 value of 300 = 101 17 6 value of 70. = 23 15 5 value of 6 2 0 9 Ans. £ 2506 15 4 2. 36435 acres of land, at 3s. 9d. per acre. Ans. £ 6840 18 9. 3. 5673 yards of stuff, at 3s. 7d. per yd. Ans. £ 1016 8 3. 4. 96487 lb. of coffee, at 1s. 11 d. per Ib. Ans. £ 9447 13 81. CASE X. When the given quantity is hundreds Avoirdupois Weight, of 112 pounds each, and the price of one pound given, to find the value of the whole. Rule. Multiply the price of one by 7, that product by 4, this second product will be the value of a quarter of a hurdred; then multiply this second product by 4, gives the value of 1 cwt. which multiply by the number of hundreds, the product will be the value of the whole. EXAMPLES. 1. Required the value of 9 cwt. of tea, at 7s. 3d. per Ib. 7 3 Ans. £ 365 8 0 2. 11 cwt. at 3s. 9d. per lb. Ans. £ 231. 3. 5 cwt. of sugar, at 10 d. per Ib. Ans. £ 24 10. 4. 7 cwt. of tobacco, at 9d. per lb. Ans. £ 29 8. 5. 8 cwt. of butter, at 11d. per lb. Ans. £ 41 1 4. Note. It may perhaps be expected, that rules should be here given for finding the value, when the given quantity is hundreds, quarters, and pounds ; and the price per cwt. given ; but this will be found in Case X, of Practice ; to which the learner is referred for the rule and examples. Of Weights and Measures. When several articles of equal weight, or measure, are given, to find the weight or measure of the whole. RULE. Multiply the weight, or measure of one, by the given number, as in the foregoing cases, the price of one was multiplied, the product will be the weigbt or measure of the whole. EXAMPLES. 1. Required the weight of 7 hogsheads of tobacco, cach weighing 5 C. 2 qrs. 16 lb. 2 16 7 5 Ans. 39C. 2qr. O 2. 11 chests of tea, cach 73lb. 9oz. 73 9 I pe. ? Ans. 8091b. 302. 3. What is the whole weight of 12 silver spoons, cach weighing 2 oz. 15 dwt. 11 gr. . ? Ans. 2 lb. 9oz. 5dwt. 12gr. 4. How many yards of linen in 36 pieces, each 25 yds. 3 qrs.? Ans. 927 yds. 5. How many bushels of wheat, in 135 bags, each 2 bu. 3 Ans. 371 bu. I pa 6. In 75 lots of land, each 123 acres, 2 roods, 15 poles, how many avies, &c. ? Ans. 9269 acres, 2 roods, 5 poles. 7. If 25 hogsheads of wine are found to contain on an average, 61 gallons, 1 qt. I pt. how much is the whole ? Ans. 1534 ga. 1 qt. 1 pt. 8. If 9 men are employed 21 days, and 6 hours each, how much time has the employer to pay for, among the 9 men, admitting 11 hours are called a day. Ans. 193 days, 10 hours. 9. There are 11 ships situated as follows, viz. the first ship is in longitude 5° 25' 33" west ; the difference of longitude between each, is equal to the longitude of the first ; what is the longitude of the eleventh Ans. 59° 41' 3" west. ship. |