the silage to feed 18 cows 37 pounds per day for 184 days, if each acre produces 13 tons of silage corn? DRESSMAKING 57. How many yards of 36-in. material will be required to make a shirt-waist, if the tucked front measures 24 ins. before tucking and the two backs 12 ins. before tucking; the front length from shoulder measuring 18 ins. and two backs 16 ins.; sleeves 16 ins. long before finishing and 18 ins. wide in the widest place? Cuffs, collars, belts are found in pieces cut from strips. See diagram. 58. How many yards of insertion will be required for this waist for 4 strips the length of the front, 4 strips for the back, one piece for the neck 12 ins., and two pieces for the sleeves 8 ins. each? 59. How many yards will be required for a nine-gore skirt of the same linen if gores average 5 ins. wide at the top, and 15 ins. wide at the bottom, the length of each gore being 38 ins. when finished with a 3-in. hem, and allowing 1 in. at the top for finishing? 60. How much insertion will be required for two rows 5 and 3 inches from the bottom of the skirt, if the gores for the bottom row average 13 ins. and second row 12 ins.? 61. At 50 cts. for linen and 15 cts. a yard for insertion, 1 doz. buttons at 10 cts., 1 bolt of tape at 5 cts., what will the dress cost? 62. The lining and finishings for a dress are called the findings. What will findings consisting of the following items cost: 2 yds. of waist lining at 15 cts., 6 yds. skirt lining at 25 cts., 2 spools silk at 10 cts., 1 spool cotton 5 cts., 1 bolt braid 10 cts., 1 card hooks and eyes 10 cts., 1 bolt silk binding 10. cts., 1 yd. featherbone 5 cts., 1 pr. shields 35 cts.? 63. Find the cost of a Panama-cloth dress; 8 yds. of material at 89 cts. a yard, with findings at price given in last problem. 64. What will the dress cost if a professional shopper charges 10 cts. on each dollar for buying the above materials and a dressmaker charges $8 for making the dress? 65. If, for the cotton skirt lining, a silk lining be substituted which will require 10 yds. of silk at 59 cts. a yard, what will the dress cost? be the shopper's fee? 66. Races are run at the Olympic games at Athens over distances of 100 meters, 400 meters, 800 meters, 1500 meters. How many yards in each of these distances? €7. The best time for these races prior to 1908 was respectively 10 secs., 491 secs., 1 min. 56 secs., and 4 mins. 53 secs. What was the speed per yard in each race? What will TWO SELVAGES SLEEVE O TWO SELVAGES 68. Some races run in the Public Schools' Athletic League, high school events, are 100 yds., 440 yds., 880 yds., and 1 mi. What is the difference between these distances and those mentioned in problem 66? 69. The time for these races was respectively 10 secs., 53 secs., 2 mins. 73 secs., and 4 mins. 594 secs. What was the speed per yard? 70. Some Olympic records are running long jump 24 ft. 1 in.; running high 6 ft. 2 ins.; pole vault 11 ft. 6 ins. P.S. A. L. high school records for the same events are respectively: 21 ft., 5 ft. 6 ins., 9 ft. 9 ins. By what fraction does the P. S. A. L. high school record fall short of the Olympic record in these events? 71. The steamship Lusitania, in July, 1908, made an average speed of 25.01 knots an hour. One knot equals What was the average speed in miles per day? 6086.7 ft. 72. The Lusitania covered the distance from Daunt's Rock to Sandy Hook lighthouse in 4 das. 20 hrs. and 15 mins. What is the distance? 73. What is the speed per second of the circumference of a grindstone 4 ins. in diameter, run at 30 revolutions per minute? 74. Allowing 5 sq. ft. of floor space to each fowl, what may the dimensions of a henhouse be to accommodate 100 fowls? If one side be 14 ft. what will the other dimension be? With lumber at $15 per M, what will the boards for sides and ends cost if 5 ft. 6 ins. high when built square? When built 14 ft. wide? How much does the extra light and ventilation secured by the narrower form of house cost? PERCENTAGE 296. If a spraying mixture contains 98 parts water, 1 part lime, and 1 part bluestone, how many parts are there in the mixture? How many hundredths of the mixture are water? How many hundredths are lime? How many hundredths are bluestone? Of a number of seeds tested, one out of every ten fails to grow. How many fail to grow out of every hundred? How many hundredths fail to grow? The number of hundredths of a number is commonly expressed by the term per cent. Out of 100 oak leaves examined, 60 were injured by insects. What per cent were injured by insects? What per cent were uninjured? 297. The term per cent is expressed by the sign %, e.g., 8% is read 8 per cent. 298. A given per cent, or a given number of hundredths, of a number may be expressed as a whole number with the per cent sign, as a decimal, or as a common fraction, e.g., 1 per cent may be written 1%, .01, or 8 1. per cent may be written 8%, .08, or 18. |