EXERCISE 12 1. How many bags of Rio coffee can be bought for 882 dollars, if one bag costs 21 dollars? 2. Currants sell for 14 dollars a barrel; at this price how many barrels can be bought for 546 dollars? 3. Granulated sugar is worth 16 dollars a barrel. How many barrels must be sold to realize 1264 dollars? 4. There are 36 inches in one yard. How many yards are in 100,000 inches? 5. There are 32 quarts in one bushel. How many bushels are in 7712 quarts? 6. How many days are in 3000 hours? 7. A degree on a meridian of the earth's surface is 69 miles long. Two places on the same meridian are 2484 miles apart. How many degrees apart are they? 8. How many square yards are in 3276 square feet? 9. A gallon contains 231 cubic inches. How many gallons are in a barrel containing 8316 cubic inches? 10. Oolong tea costs 15 dollars a chest. chests can be purchased for 495 dollars? How many 11. A barrel of sugar weighs 325 pounds. How many barrels are in 105,625 pounds? 12. How long will it take a train, rate 30 miles an hour, to go from New York to San Francisco, a distance of 3270 miles, if 5 hours are allowed for stops? 13. There are 10's 'square chains in an acre. acres are in 10,000 square chains? How many 14. Rhode Island contains in round numbers 800,000 acres. Find its area in square miles. (640 acres = 1 square EXERCISE 13 1. If land is worth $68 an acre, how many acres can be bought for $4,624 ? 2. A tract of land is sold for $4,795.50 at the rate of $69.50 an acre. How many acres are in the tract? 3. When horses sell for $85.40 apiece, how many can be bought for $36,465.80? 4. If the price of wheat is 76 per bushel, how many bushels can be bought for $4,043.20 ? 5. When cans of asparagus sell for 35 each, how many can be bought for $85.75? 6. If a pair of patent leather shoes sells for $3.85, how many pairs must be sold to bring $1,482.25? 7. A clothier invests in men's trousers $392.04. How many does he buy, supposing each pair to cost $1.98? 8. If a keg of pickles cost $1.70, how many kegs can be purchased for $28.90? 9. Chipped beef is bought at 17 a pound. At this rate, how many pounds can be bought for $361.25? 10. A 12-pound sack of flour retails at 45%. How many sacks can be bought for $322.65? 11. When a can of sardines retails for 27, how many cans will $218.70 buy? 12. A farmer gets for his apples $816.35 at the rate of $1.45 per barrel. How many barrels does he sell? 13. Corn is worth 45¢ per bushel. How many bushels can be bought for $7,876.35? 14. Oats are worth 36 per bushel. How many bushels can be bought for $142.56? 15. A share of railway stock is quoted at $78.50. How many shares must be sold to realize $3,061.50? EXERCISE 14 The following table gives the area and population of some of the principal countries: Find the population per square mile of each of the above countries. 12. Reduce to a decimal. 6|17.00000 7 2.83333 42 can be resolved into two factors, 6 and 7. The simplest way of dividing by .40476 42 is to divide by the factors 6 and 7. 9 37 15. ; ; 20; 87; 108: 100%. Reduce to decimals, correct to four figures: |