used during the month, if a keg holding 25 pounds cost $1.50. 47. The miner's other expenses for November were: file, 18; sharpening and repairing tools, 96; fuse, 15¢; 1g gal. lard oil @48. What were his total expenses? 48. Deducting expenses from the $60.72 received for his labor, what were the miner's net earnings for the month? 49. The cost of running a mine locomotive included $4.25 per day for labor, 50¢ for coal and oil, and 60¢ for repairs. Find the cost for 24 days. 50. The mine locomotive did the same work formerly done by 15 mules and their drivers. Find the cost of mule power for 24 days, if feeding, shoeing, and tending the mules cost $9 per day and drivers' wages amounted to $7.25 per day. 51. How much was saved by using the locomotive instead of the mules? 52. After the coal was mined it was sent to the breaker where the slate was picked out by breaker boys, and the coal sorted into sizes. If the 43 breaker boys were paid $219.30 in 6 days, how much did each receive per day? 53. Of the coal mined, was lost by blasting, breaking, and adhering to the slate. Find the loss in one day when 1365 long tons of merchantable coal were obtained. 54. The mine operator's expenses on 850 long tons of chestnut coal that he sold at $3.40 per ton were $2.08 per ton for mining and 96¢ per ton for handling. Find his profits on this sale. 55. It cost the retailer who bought this coal 85¢ per ton for freight, and 75¢ per ton for handling. If he sold the coal at $6.25 per short ton, how much did he gain? 56. One year, when there was a miners' strike, Pennsylvania produced 36,940,710 tons of anthracite coal, and the next year increased the output by 23,301,750 tons. How many tons were produced the year after the strike? PROG. COMPL. AR.- - 23 36. A commercial traveler receives a salary of $25 a week and 2% commission on his sales. If his sales amount to $75,000 in a year, what is his income for the year? 37. Find the net cost to a dealer of 280 pounds of manila rope listed at 121 per pound, discounts 20% and 5%. 38. If 150 lb. of "lead," used in a medium grade of lead pencils, consisted of 883 lb. of graphite and the rest clay, find the per cent of each substance in the mixture. 39. In Oregon the average amount of standing timber per acre of forest land is 12,200 board feet, of which 66% is red fir, 18% pine, 5% spruce, 5% hemlock, 2% cedar, and 4% other kinds. Find the amount of each per acre. 40. One month an agent secured 346 subscriptions to a dollar magazine, earning $86.50. Find his rate of commission. 41. An orange tree yielded 50% more oranges the second time it bore than the first time. If the second crop amounted to 420 oranges, how many were there in the first crop? 42. What per cent of the cocoa from 1000 trees, whose average yield is 12 pounds apiece, is cocoa butter, if the cocoa butter amounts to 910 pounds? 43. One year 151,590 skilled laborers arrived in the United States. This was 18% % of the total number of immigrants. How many immigrants arrived that year? 44. The rice crop of Japan one year was 204.6 million bushels, or 7% less than normal. What is the normal crop? 45. In a year when the United States produced 352,000,000 short tons of coal, find from the following graph the production of the world; of Great Britain and Ireland; of Germany. 46. Which gives the lower price for a piano listed at $600, a direct discount of 45% or successive discounts of 25 %, 15 %, and 5%? how much lower? 47. During five years the number of horses in this country increased from 13,500,000 to 17,010,000. What was the per cent of increase? 48. The tonnage of Russia's navy was 450,000 tons before the war with Japan and 225,000 tons after the war. Find the per cent of decrease. 49. What single discount is equivalent to two successive discounts of 15% and 10%? 50. Lake Erie has an area of 9960 square miles. If it were larger by 24 square miles, its area would be 32 % of that of Lake Superior. How large is Lake Superior? 51. In the manufacture of 120,000 postal cards, 414 pounds of the material used was spruce pulp and 132 pounds was poplar pulp. If 1000 postal cards weigh 5 pounds, what per cent of the material was spruce? what per cent poplar? 52. The importation of cheese into Great Britain in 1880 was 125,000,000 lb. from the United States and 30,000,000 lb. from Canada. Twenty-five years later the amount from the United States was 80% less, and that from Canada 600 % more. How much did Great Britain then import from each country? 53. The production of steel in Germany during a recent year was 920,000 tons, or 68% less than the amount produced in this country, and 23% more than the amount produced in England. What was the output of steel in each country? 54. A grain dealer in Mobile bought 8000 bushels of shelled corn through a commission merchant in St. Louis @ 22, commission 2%. The freight cost $806.40. Unloading cost $30.40, cartage $80, and elevator charges were per bushel. Find the total cost and the cost per bushel in the elevator at Mobile. 55. A dealer bought goods at 20 % less than their market value, and sold them at 20 % above the market value. What per cent did he gain? SUGGESTION. 80% of market value represents the cost, and 40% of market value the gain. What part of 80% is 40%? what per cent? 56. What per cent is gained by buying clothing at 10 % below market value and selling it at 12% above? 57. At what price must goods that cost $1.80 per yard be marked so that the seller may deduct 10 % from the marked price and still gain 20 % ? SUGGESTION. of $1.80 = 90% of marked price. 58. A dry goods merchant sold tablecloths at 20% less than the marked price, yet gained 163 %. At what price were they marked, if they cost him $3.60 apiece? 59. A manufacturer sold 50 pieces of velveteen at auction at $48 per piece. On one half of them he gained 20 % and on the rest he lost 20 %. Did he gain or lose on all and how much? 60. When the commerce of the world for a year amounted to $21,900,000,000, the shares of the chief nations were approximately as represented by the following graphs. Find the value of each nation's share. 61. From these graphs find, to the nearest tenth, what per cent the commerce of each nation was of the commerce of Great Britain and Ireland; also what per cent the commerce of each nation was of the commerce of the United States. |