83. PHILADELPHIA, April 22, 1895. Mrs. J. H. Kimball To M. DEWEY, Dr. Mar. 20 To making Violet Silk To Ribbon $1.50, Lace 25¢, Ruche for Skirt 75¢, Belting 15¢, "Skirt Lining 55$, Waist Cr. Mar. 10 By 3 yards Silk @ $1.42 $1600 Find the amounts due in the following examples, and make out the bills, supplying dates, etc., when wanting. 84. Louis J. Kendall furnished ice to Mr. Fred. Fox from Oct. 1, 1894 to May 1, 1895, 1750 pounds at 30¢ a hundred, and supplied him with ice from May 1 to Oct. 1, 1895, for $9. Date the bill Oct. 1. 85. Nov. 3d, 1894, Mrs. J. H. Dole bought of Smith and Felton, New York, 5 yards of velvet at $3.50, 8 yards of cashmere at 87¢, 4 yards of silesia at 25. Nov. 8, she bought 7 yards of flannel at 42, 43 yards of sheeting at 284, and 4 yards of cambric at 374. Date the bill the first of the following January. 86. Joseph Sears bought of Mr. S. H. Allen, June 4, 1895, 2 pounds of steak at 234, squash 254, lettuce 15¢; June 7, 10 pounds of veal at 17; June 11, 2 pounds of steak at 28%, lettuce 10; June 18, 7 pounds of lamb at 18¢, beets 204, pease 25; June 28, 8 pounds fowl at 174, pease 50%. 87. April 1, Mr. M. H. Humphrey repaired for Mr. David French, a sweeper for 50¢ and a hose for 15, using 2 clamps at 10 each; June 3, he sold him a kettle for 904 and a pail for 424; June 5, 4 bolts at 34, 8 pounds lead pipe at 74, and charged for 3 hours' labor at 35¢. 88. Bonney and Rogers shipped to Thomas Durgan & Co. from Cincinnati, 2 oxen, 1246 lb., 1318 lb., at 6¢; 2 steers, 922 lb., 893 lb., at 54; 3 hogs, 319 lb., 366 lb., 384 lb., at 44. 89. Martha Jones made a dress for Mrs. Mary Fitch and furnished 6 yards cambric at 7¢, braid 8ø, silk and twist 50%, 3 bones at 32, 2 yards silesia at 25, buttons 384, 5 yards ribbon at 20; the work was valued at $12. 90. Purdy & White cleaned carpets for Mr. Seth Granger as follows: April 24, 23 yards at 34 and 82 yards at 4; April 25, 64 yards at 44 and a stair carpet $1.50; April 29, 28 yards at 4; May 2, 30 yards at 34. 91. Sell four different articles from a grocery at current prices and make out the bill, giving credit for 4 dozen eggs at the current price. 92. Sell five articles from a meat and vegetable market and make out the bill with credit for 2 bushels of pease at $3.00 a bushel. TEST EXERCISES. Sight Work. 156. In each column below commence at the bottom and add or subtract as indicated. 157. Add the following across the page, without writing the numbers in columns: 93. $4.25, $0.62, $1.54, $106.60, $70.13, $2.17. 94. $7.63, $37.57, $0.85, $924.80, $482.74, $806.80. 95. $36.84, $74.63, $9.99, $0.88, $3689.09, $300.30. 96. $490.86, $ 40.53, $ 3648.13, $17406, $ 1.79, $2345.97. 158. Subtract the following without writing the numbers, but preserve the remainders. Add all the minuends and then all the subtrahends, and find the difference of their sums. Compare this difference with the sum of the remainders: 97. $3,274.00 $192.56=? 98. 99. 159. Supply the missing numbers in place of x in the following examples: 160. Copy the following table and fill out with the sum, difference, product, and quotient of each pair of numbers, A. B., examples 113 to 117, and find their totals as indicated: 118. At 54 cents per square yard, what will be the cost of cementing the bottom of a cellar, the dimensions of which are shown in the following diagram? 119. What will be the cost of a trench wall to surround the above cellar at $1.85 per running foot, an allowance of 16 feet being added for corners? SECTION VII. FACTORS. 161. Illustrative Example. What numbers multiplied together will produce 12? Ans. 2 x 6 = 12; 3 x 4 = 12; 1 x 12: - 12. 2 and 6, 3 and 4, 1 and 12, are factors (makers) of 12 (Art. 71). 162. A factor of a number is a number that may be used either as multiplicand or multiplier to produce or make the number. A factor of a number is always a divisor or measure of the number. NOTE. The word factor is here used to denote only such factors as are integral numbers. 163. A number that has no integral factors besides itself and one is a prime number. A number that has other integral factors besides itself and one is a composite number. A factor that is a prime number is a prime factor. NOTE. In naming the factors of a number, the number itself and one are not usually included. Name a prime number; a composite number; a prime factor of 12. Oral Exercises. 164. a. Which of the numbers from 1 to 20 are prime? b. Which of the numbers from 1 to 20 are composite? c. What are the prime factors of 6? 8? 9? 10? 12? 14? d. What are the prime factors of 16? 18? 21? 22? 24? e. What are the prime factors of 25? 27? 28? 30? 32? |