= 13. 360 meters of cloth at $1.10 per yard (1 meter 39.37 inches). 14. Cost in United States money of 386 hats at 24 francs each (1 franc 19.3 cents). = 15. 480 meters of cloth at 1.10 marks per meter (1 mark = 23.8 cents). 16. A merchant bought 30 pieces of cloth, each containing 41.6 yards, for $3.875 per yard, and 25 pieces of 36.8 yards each, for $4.125 per yard. He sold the entire lot for $3.96 per yard. How much did he gain or lose? 17. An importer received a box of chemicals weighing 122 grams, each gram containing 15.432 English grains, on which he paid a duty of $.05 per grain. What was the amount of duty? 18. A dealer exported 374.319 bushels of corn, receiving in exchange coal at the rate of 1 ton of coal for 15.124 bushels of corn. How much coal did he receive? 19. .75 is what part of 3.25? 20. Reduce .005025 to a common fraction. UNITED STATES MONEY. 206. Written Exercises. 1. Find the cost of 24,400 bricks @ $6.25 per M. = M means 1000. 24,400 24.4 M. Since the cost per thousand is $6.25, 24.4 thousand will cost 24.4 times $6.25. 2. 760 pounds of hay @95 cents per cwt. (100 pounds). ($.95 × 7.6) 3. 48,600 laths @ $2.80 per M. 4. 39,250 stamped envelopes @ $21.30 per thousand. 5. 1875 pounds of straw @ 68 cents per cwt. 6. 108,745 Philadelphia bricks @ $22 per M. 7. 14,860 oranges @ 75¢ per hundred. 9. 4500 cigars @ $35 per M. 10. 28 dozen wax candles @ $13.50 per gross (144). NOTE. - In cancelling, be careful not to strike out a cipher in 60 and one in .90, without inserting a decimal cipher. 12. 18,964 pounds of coal @ $5 per ton (2000 pounds). 13. 48,576 pounds of oats @ 36¢ per bushel (32 pounds). 14. 69,104 pounds of rye @ 914 per bushel (56 pounds). 15. 74,816 pounds of corn @ 484¢ per bushel (56 pounds), DENOMINATE NUMBERS. 207. Written Exercises. 1. Change 12 pounds and 9 ounces to ounces. Since there are 16 ounces in 1 pound, in 12 pounds there are 12 times 16 ounces, or 192 ounces. In 12 pounds 9 ounces, there are 192 ounces + 9 ounces, or 201 ounces. The work may be arranged in this way. Above the ounces, write the number of ounces in a pound, viz. 16. Multiply 16 ounces by 12, adding in the 9 ounces. 16 oz. 12 lb. 9 oz. 201 oz. Ans. 201 oz. Change: 1. 20 rods and 3 yards to yards. 2. 2 miles to yards. 3. 3 days and 17 hours to hours. 4. 24 minutes and 15 seconds to seconds. 5. 8 tons and 1675 pounds to pounds. 6. 43 gallons and 8 quarts to quarts. 8. 19 bushels and 3 pecks to pecks. 9. .03125 ton to pounds and ounces. 10. yard to feet and inches. 208. Written Exercises. Change: 1. 975 ounces to pounds and ounces. 3. 517 hours to days and hours. 4. 1694 seconds to minutes and seconds. 5. 9314 pounds to tons and pounds. 6. 987 pints to gallons, quarts, and pints. 7. 1485 quarts to pecks and quarts. 8. 185 pecks to bushels and pecks. 9. 840 hours to weeks. 10. 12 hours to the fraction of a week. 11. 28 inches to the fraction of a yard. 12. 10 ounces to the decimal of a pound. 13. 3 quarts to the decimal of a bushel. 211. Multiply : 1. 12 lb. 7 oz. x 3 3 times 7 ounces are 21 ounces, or 1 pound 5 ounces. Write 5 3 times 12 pounds are 36 pounds, and 1 pound to carry are ounces. 37 pounds. 2. 3 hr. 10 min. × 7 of 9 pounds is 4 pounds and 1 pound remainder, or 16 ounces. Add to this 2 ounces, giving 18 ounces for the dividend. 2)9 lb. 2 oz. 4 lb. 9 oz. Ans. 4 lb. 9 oz. of 18 ounces is 9 ounces. NOTE. - Change the divisor and the dividend to the same denomi nation. The answer is an abstract number. |