A New System of Arithmetic: In which is Explained and Applied to Practical Purposes, in Addition to the Ordinary Rules of Operation, the Principle of Canceling ...Durrie & Peck, 1840 - 311 páginas |
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Página 7
... allowing the height and thickness of each wall to be the same ; thus : 16. 9. 3. 200 8. 12. 20 45 days . If the fourth ratio be united , we obtain the time required , allowing each wall to be of the same thickness ; thus : 16. 9. 3. 200 ...
... allowing the height and thickness of each wall to be the same ; thus : 16. 9. 3. 200 8. 12. 20 45 days . If the fourth ratio be united , we obtain the time required , allowing each wall to be of the same thickness ; thus : 16. 9. 3. 200 ...
Página 8
... allowing that I sold the same so as to realize a gain of 20 per cent . , how much money did I receive ? The ordinary mode of solving this sum requires the four following operations ; viz . 105 : 100 :: 742 : the net weight of the wool ...
... allowing that I sold the same so as to realize a gain of 20 per cent . , how much money did I receive ? The ordinary mode of solving this sum requires the four following operations ; viz . 105 : 100 :: 742 : the net weight of the wool ...
Página 40
... allowing the average to be 9 to a hill ? and how many kernels of corn , allowing 300 to an ear ? 128736 ears of corn , and 38620800 kernels . Ans . CASE 4th . - WHEN THERE ARE CYPHERS ON THE RIGHT HAND OF THE MULTIPLIER , OR ...
... allowing the average to be 9 to a hill ? and how many kernels of corn , allowing 300 to an ear ? 128736 ears of corn , and 38620800 kernels . Ans . CASE 4th . - WHEN THERE ARE CYPHERS ON THE RIGHT HAND OF THE MULTIPLIER , OR ...
Página 43
... allowing an average of 1007 on a tree ? 13830138 . Ans : 8. A certain State contains 50 Counties ; each County , 35 towns ; each town , 300 houses , and each house , 8 persons . What is the population of the State ? Ans . 4200000 ...
... allowing an average of 1007 on a tree ? 13830138 . Ans : 8. A certain State contains 50 Counties ; each County , 35 towns ; each town , 300 houses , and each house , 8 persons . What is the population of the State ? Ans . 4200000 ...
Página 60
... allowing his expenses to have been $ 297.83 ? Ans . He purchased 67 wagons , and had $ 40.44 left ; and he gained $ 1377.17 . 9. On the first of Jan. a spendthrift was in possession of $ 3860.90 : after 30 days he had only $ 1680 ...
... allowing his expenses to have been $ 297.83 ? Ans . He purchased 67 wagons , and had $ 40.44 left ; and he gained $ 1377.17 . 9. On the first of Jan. a spendthrift was in possession of $ 3860.90 : after 30 days he had only $ 1680 ...
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Términos y frases comunes
12 days 30 days acres amount annum Arithmetic Bought breadth bushels compound interest Compound Numbers cube root currency to federal cyphers decimal Decimal Fractions denominator diameter discount divide the product dividend division divisor dollars Ducat ells England currency equal expressed farthings federal money gain gallons given number Hence hogsheads horse hundred hypoteneuse improper fraction inches length lowest terms miles mills Multiply number of terms obtained operation paid parallelogram payment pence pound sterling preceding rule principal Prob Prod QUESTIONS.-What quotient figure rate per cent ratio receive Reduce remains rods rule for canceling RULE.-Multiply scholar shillings simple numbers sold solid feet square root Statement subtract sugar third tion units vulgar fraction weight whole cost whole number wine worth yards cost yards of cloth York currency
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Página 15 - ... one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty thirty forty fifty sixty seventy eighty ninety one hundred two hundred three hundred four hundred five hundred...
Página 277 - If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time will 24 men build one 200 feet long, 8 feet high, and 6 feet thick ? 8 : 12 : : 20x6x4 24: 200x8x6 80 (lays, Jlns.
Página 290 - ... above the upper deck; the breadth thereof at the broadest part above the main wales, half of which breadth shall be accounted the depth of such vessel, and shall then deduct from the...
Página 119 - Now .} of f- is a compound fraction, whose value is found by multiplying the numerators together for a new numerator, and the denominators for a new denominator.
Página 209 - DISCOUNT. DISCOUNT is an allowance made for the payment of money before it is due. The present worth of a debt payable at some future time, without interest, is such a sum of money as will, if put at interest for the given time, amount to the debt.
Página 291 - ... shall be deemed the true contents or tonnage of such ship or vessel; and if such ship or vessel be single-decked, take the length and breadth, as above directed, deduct from the said length...
Página 67 - TABLE. 4 nails, (na.) or 9 inches, make 1 quarter, marked qr. 4 quarters, or 36 inches, - 1 yard, - - - - yd. 3 quarters, ------ 1 ell Flemish, - - E. Fl 5 quarters, ------ 1 ell English, - - EE 6 quarters, ------ 1 ell French, - - E. Fr 27.
Página 123 - RULE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Página 252 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Página 5 - If 6 men in 16 days of 9 hours each build a wall 20 feet long, 6 feet high, and 4 feet thick, in how many days of...