NOTE. This table can be profitably extended by the pupil to other denominations, as Time, Length, etc. What is the cost of 250. EXAMPLES. 1. 3 T. 13 cwt. of hay, at $12 per ton? Ans. $45.625. 2. 13 cwt. 3 qr. 15 lb. of cotton, at $8.064 per cwt.? Ans. $112.068 Ans. $25.09%. Ans. $4.2891. 3. 200 yd. 3 qr. of sarcenet, at $.12 a yd.? Ans. $3377.859g. Ans. $312. Ans. $84.50. 6. 1872 lbs. of butter, at 163 cents per pound? 9. Fencing 180 rd. 3 yd. 2 ft. of road, both sides, at $1.25 10. Fencing a square lot of the above length, at $.90 per rd.? 11. 3 pk. 7 qt. of berries, at $2 a bushel? 12. Insuring a house 5 y. 7 m. 20 d., at $6.66% a year? (30 d. ≈ 1 m.) 13. 12 boxes of shoes, each containing 48 pairs, at $.932 per pair? 14 17 cd. 7 cd. ft. 8 cu. ft. of wood, at $5.52 per cord? 15. Board for 9 w. 41 d., at $4.75 per week? 16. 7 doz. knives, at $3.75 a dozen? 17. 31 yd. of silk, at $1.12 per yard? 18. Making 7 m. 7 f. 35 rd. of railroad, at $650,000 per mile? 19. 6 hhd. 42 gall. of wine, at $110.15 per hogshead ? 20, 75 cwt. 75 lb. of tobacco, at $183 per cwt.? 21. 7 lb. 7 oz. 2 pwt. 16 gr. of silver, at $12.87 per pound? 22. If the interest of $1000 for 1 year is $105, what would be the interest of the same sum for 3 y. 8 m. 24 d.? 23. What is the amount of my salary for 3 y. 4 m. 25 d., at $600 per annum? 24. The rent of a musical instrument for a certain time was $60, the rent being $6 per quarter; what would have been the rent for the same time at $7 per quarter? at $5? at $8? at $3? at $9? at $10? at $71? at $41? at $124? at $1 per month? at $1 per month? Sum of answers, $740. 25. What cost 587 lb. of soap, at 1£ 8s. 9d. per cwt.? 26. What cost 17 T. 9 cwt. 3 qr., at 5£ 3s. 8d. per ton? NOTE. For further examples that may be performed by Practice, the pupil is referred to Art. 247. 251. GENERAL REVIEW, No. 5. PART I. 1. Multiply 675 by %, the product by 100; divide the last product by 1000, this quotient by ; multiply the last quotient by, and add the five results. 2. From .1 lb. take .0678 lb. 3. Multiply 3.05 by .0561. 4. What is the cost of 84 ft. of boards, at $20 5. .00764436=? 6. 8.052.0044 =? 7. 10. 1000 = ? 8. .065455.065 =? 9. Reduce to a decimal. per M.? 10. .31.924 =? 11. What is the cost of 3 pk. 7 qt. of peas, at $3.75 per bushel ? 12. Reduce .8765 deg. to whole numbers of lower denomina tions. 13. Reduce .015 and .0096 to common fractions. 14. Reduce 39 and .3432 to common fractions. PART II. 1. What is the largest number that will exactly divide 475200 and 216000?=43200 2. In 324 sheets of lead, each 12 in. by 8 in., 1⁄2 in. thick How many solid inches? 25.92 cu. in. 3. In 20692 sq. rd. how many acres? =129 A, 1 R. 1229.da. 4. Reduce 19 h. 12 m. to the fraction of a day. 8 5. What is the 5th power of .09? —,0000059049 6. 50.76 +.8343 +.03 = ? = 51.01311/0 30 7. If 6 yd. of cloth cost $58, what will 14 yd. cost? 13.7663 8. Add ↓ £, 4 s., and 1⁄2 d. = 32d. 9. Reduce .21 pt. to the decimal of a peck.=.0/3/25 10. How many inches in length of that which is 85 in. in breadth will make a square foot?/32 in. 61 11. Reduce to a decimal fraction. 03/25 12. Carry out the following bill: PERCENTAGE. 252. The subject of Percentage comprises operations in hundredths. Per cent., from the Latin per, by, and cenium, hundred, signifies by the hundred; thus, 4 per cent. of any number cr quantity is to of that number or quantity. Any per cent. may be expressed as a decimal fraction, as a common fraction, or by the use of the following sign, %; thus, 253. ILL. Ex. Reduce 5 per cent. to its lowest terms. 254. ILL. EX. Reduce to a per cent. (Art. 238.) 8) 3.00 .371371%, Ans. 255. ILL. EX. 7.7. 8. 16 ILL. Ex. Find the complement of 15 per cent. 2. e4 what it wants of being 100 per cent. 100%-15%85%, Ans. 256. To FIND ANY PER CENT. OF A NUMBER. ILL. EX. Hence the What is 25% of 76 bushels of grain? 76 bu. X.2519 bu., Ans. or 25% =; of 76 bu. = 19 bu., Ans. RULE. To find any per cent. of a number: Multiply by the rate per cent., expressed decimally. What is EXAMPLES. 1. 8% of $800 ? Ans. $64. 2. 5% of 324.40? Ans. 16.22. 3. 20% of 375 men? 4. 71% of 800 trees? Ans. 25 9. 5% of ? Ans. 75 men. 11. 1% of $200.75? Ans. 60 trees. 5. 12% of 78 bu.? Ans. 9 bu. 14. 6. 3% of $14.40? Ans. $.108. 15. 663% of 8 d. 5 h. 36 m.? 7% of 3 cwt. 2 qr. (in lbs) 7. 44% of 12£. 6s.? Ans. 104s. 16. 75% of 8? 8. 235% of $85? Ans. $1993. |