7. At 27 dollars an acre, how much land can I buy for of a dollar? Ans. acre. 8. How many apples can I buy for 21 of 1 of 2 cents, if I pay of 23 of cents apiece? 91 9. Bought of a lot of land for 5040 dollars, and having sold of what was bought, I gave 3 of the remainder to a charitable society, and divided the residue among 9 poor persons: what was the share of each? Ans. 37. 10. Of an estate valued 15000 dollars, the widow has , the oldest son of remainder, and the residue was divided among 9 children: what was the share of each of the 9 children? 11. If 18 dollars will buy 65012 acres of land, how much will one dollar buy? Ans. 36,25 31 12. How much sugar can I buy for of 15 cents, if I pay of 22 cents a pound? 7 DECIMAL FRACTIONS. ADDITION OF DECIMAL FRACTIONS. 1. What is the amount of 27, 14, 49, 126, 999,,469, and,2614? Ans. 1215,7304. 2. Add 15, 100, 67, 1, 5, 33, ,467 and 24,6 together. 3. What is the sum of 99, 99, 31, ,25 60,102,29 100,347 ? Ans. 389,989. 4. If you sell one piece of cloth for $4,25; another for $5,075; and another for $7,0025: how much do you get for all? 5. What is the amount of $151,7, $70,602, $4,06, and $807,2659 ? Ans. $1033,6279. 6. A man received at one time $13,25; at another $8,4; at another $23,051; at another $6; and at another $0,75 how much did he receive in all? : 7. Add together ,7509,0074, 69,8408 and ,6109. Ans. 71,21. 8. Find the sum of twenty-five hundredths, three hundred and sixty-five thousandths, six-tenths, and nine millionths. 9. What is the sum of twenty-three millions and ten, one thousand, four hundred thousandths, twenty-seven, and nineteen millionths, seven, and five-tenths? Ans. 23001044,500059. SUBTRACTION OF DECIMAL FRACTIONS. 1. From thirty-five thousands, take thirty-five thousandths. Ans. 34999,965. 2. What is the difference between 4262,0246 and 23,41653? 3. From 346,523120 take 219,691245943. 4. From 64,075 take,195326. Ans. 126,831874057. 5. What is the difference between 107, and ,0007? Ans. 106,9993. 6. What is the difference between 1,5 and ,3785? 7. From 96,71 take 96,709. Ans. ,001. 8. From forty-three, and seventy-five thousandths, take eight, and twenty-three millionths. MULTIPLICATION OF DECIMAL FRACTIONS. 1. What will 6,29 weeks board come to at 2,75 dollars a week? Ans. $17,2975. 2. What will 61 pounds of sugar come to at $0,234 dollars per pound? 3. If 12,836 dollars are paid for one barrel of flour, what will,354 barrels cost? Ans. $4,543944. 4. What is the content of a board, ,06 feet long and ,06 wide? 5. Multiply 49000, by ,0049. Ans. 240,1. 6. Bought,1234 oranges for 4,6 cents apiece: how much did they cost? 7. What will 375,6 pounds of coffee cost at,125 dollars per pound? Ans. $46,95. 8. If I buy 36,251 pounds of indigo at $0,029, what will it come to? 9. Multiply 89,3421001 cents by ,0000028. Ans. ,00025015788028. 10. Multiply 341,45 dollars by ,007. 11. What is the content of a lot which is ,004 miles long and ,004 miles wide? Ans. ,000016 square miles. 12. Multiply,007853 by ,035. 13. What is the product of 26,000375 dollars multi 2. I gave 28 dollars to 267 persons: how much apiece? 3. Divide 6,35 by ,425. Ans. 14,941+. 4. Tell the quotient of 36,2678 dollars divided by 2,25. 5. Divide a dollar into 12 parts. Ans. $,083333+. 6. I gave 21,75 dollars for 34,317 yards of cloth: how much a yard? 7. Divide,25 of 3,26 into ,034 of 3,04 parts. Ans. 7,885+. 8. How many times will ,35 of 35 be contained in ,024 of 24? 9. At ,75 dollars a bushel, how many bushels of rye can be bought for 141 dollars? Ans. 188bu. 10. Bought ,001 bushels of potatoes for ,20341 dollars a bushel, and paid in rye at ,00044 dollars a bushel: how much rye did it take? 11. Bought 53,1 yards of cloth for 2 dollars: how much was it a yard? 12. Divide 125 by 1045. 13. Divide one millionth by one billionth. Ans. 0,037+. Ans. one thousand. 19. What is the value in decimals of of of divided by of?? 4 20. A man owns of a ship, he sells of his share: what part is that of the whole, expressed in decimals? Ans. 3181818+. 21. Bought of 873 bushels of wheat for of 7 dollars a bushel: how much did it come to, expressed in decimals? 22. If a man receive of a dollar at one time, 7 at another, and 83 at a third how many in all, expressed in decimals? Ans. $17,05. 23. What decimal is equal to § of 18, and 11 of 11 of 71, added together? 24. What decimal is equal to 3 of 5 taken from 3 of 83 ? Ans. 1,91666+. 25. What decimal is equal to 2,,, added together? 6 REDUCTION OF DENOMINATE DECIMALS. 1. Reduce 2ft. 6in. to the decimal of a yard. Ans. ,833333+. 2. Bought 7oz. 19pwt. of silver: what part of a pound? 3. Reduce 4 months to the decimal of a year. Ans. ,375. 4. Reduce 72 days to the decimal of a year of 365 days. 5. Reduce £25 19s 51⁄2d to the decimal of a pound. Ans. £25,972916+. 6. Reduce 3qr. 21lb. to the decimal of a cut. 7. Reduce 5fur. 36rd. Qyd. 2ft. 9in. to the denominaAns. 739157m.+. tion of a mile. 8. Reduce 4cwt. 23qr. to the decimal of a ton? Ans. 15334821 T.+. 10. Reduce 17hr. 6m. 43sec. to the decimal of a day. TO FIND THE VALUE OF A DECIMAL NUMBER. 1. What is the value of ,86 of a cwt.? Ans. 3qr. 12lb. 5oz. 1dr.+. 2. What is the value of ,8593 of a pound Troy? 3. What is the value of ,142465 of a year of 365 days? Ans. 51,999725da. 4. What is the value of ,002084 of a pound Troy? 5. What is the value of ,367 of a year? Ans. 134da. 1hr. 7m. 19 sec. 6. What is the value of ,7895 of a mile? 7. What is the value of ,375 of a yard? 8. What is the value of ,08634 of a mile? 9. What is the value of ,0098 of a ton? Ans. 1qr. 2na. Ans. 21lb. 15oz. 3,712dr. 10. What is the value of ,2094 of a day? |