A Complete System of Commercial Arithmetic, Its Application to the Principal Branches of Commerce According to the Existing Practices of Trade, & Numerous Rules for Facilitating & Performing Mental Calculations: With an App...E. Wilson, 1837 - 337 σελίδες |
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Αποτελέσματα 1 - 5 από τα 26.
Σελίδα 3
... carry the tens to the next column , except for the last , of which set down the whole of the amount . Proof . Separate the numbers into two or more parts , find the amount of each , and add these amounts together . Or , reverse the ...
... carry the tens to the next column , except for the last , of which set down the whole of the amount . Proof . Separate the numbers into two or more parts , find the amount of each , and add these amounts together . Or , reverse the ...
Σελίδα 5
... carry one to the next lower figure . Proof . Add the remainder to the lower line . EXAMPLE . To subtract 6725 from 8457. * 5 from 7 leaves 2 7 2 from 5 leaves 3 7 from 4 cannot be taken borrow 1 , 7 from 14 leaves 7 and carry 1 to 6 , 6 ...
... carry one to the next lower figure . Proof . Add the remainder to the lower line . EXAMPLE . To subtract 6725 from 8457. * 5 from 7 leaves 2 7 2 from 5 leaves 3 7 from 4 cannot be taken borrow 1 , 7 from 14 leaves 7 and carry 1 to 6 , 6 ...
Σελίδα 6
... carry the tens as in addition . In long multiplications be careful to put the unit figure of each separate product under the multiplying figure to which it belongs . Proof . The usual proof of a long multiplication is to reverse it ...
... carry the tens as in addition . In long multiplications be careful to put the unit figure of each separate product under the multiplying figure to which it belongs . Proof . The usual proof of a long multiplication is to reverse it ...
Σελίδα 7
... carry 4 ; 7 times 3 are 21 and 4 are 25 , set down 5 and carry 2 ; 7 times 4 are 28 and 2 are 30 , set down 30 . EXAMPLE 2 . To multiply 8437 by 10 , by 100 , and by 20 84370 product by 10 843700 100 The multiplication by 10 is ...
... carry 4 ; 7 times 3 are 21 and 4 are 25 , set down 5 and carry 2 ; 7 times 4 are 28 and 2 are 30 , set down 30 . EXAMPLE 2 . To multiply 8437 by 10 , by 100 , and by 20 84370 product by 10 843700 100 The multiplication by 10 is ...
Σελίδα 9
... carry 3 ; 7 times 7 are 49 and 3 are 52 and 5 ( the back figure ) are 57 , 7 and carry 5 ; 7 times 3 are 21 and 5 are 26 and 7 ( the back figure ) are 33 , 3 and carry 3 ; 7 times 6 are 42 and 3 are 45 and 3 ( the back figure ) are 48 ...
... carry 3 ; 7 times 7 are 49 and 3 are 52 and 5 ( the back figure ) are 57 , 7 and carry 5 ; 7 times 3 are 21 and 5 are 26 and 7 ( the back figure ) are 33 , 3 and carry 3 ; 7 times 6 are 42 and 3 are 45 and 3 ( the back figure ) are 48 ...
Συχνά εμφανιζόμενοι όροι και φράσεις
Amsterdam Annuities annum Answer Avoirdupois balance Banco bills bought in London Brokerage calculations called carats Centages charges ciphers Cologne Mark Commission Compound cube root cubic Discount divide the product dividend division divisor dwts established between London EXAMPLE Exchange is established EXERCISES farthings find the amount Find the value Flor Florins Freight gallons given number given quantity Gold grains Hamburg hhds inches Insurance integer INVOICE AND ACCOUNT-SALES least common multiple Leghorn Lire London lower denominations Milreis mixed number months multiplicand multiply Paris pence Pepys & Peacock Piastres places of decimals pounds Premium proceeds proportion quotient rate of exchange rate per cent ratio reduce remainder Rixdollar Rule second term shillings Silver sold standard Statement Sterling Stock subtract Tare third term Troy TROY WEIGHT unit figure valuation weighing Gross cwt weight whole number yards
Δημοφιλή αποσπάσματα
Σελίδα 131 - To change a mixed number to an improper fraction, multiply the whole number by the denominator of the fraction and add the numerator.
Σελίδα 21 - OF TIME. 60 Seconds = 1 Minute 60 Minutes =± 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Σελίδα 20 - ... 40 square rods, 1 square rood. 4 square roods, 1 square acre. 640 square acres, 1 square mile. 1 1 . Solid, or Cubic Measure. 1728 solid inches make 1 solid foot. 40 feet of round timber, oi > . . , , 50 feet of hewn timber, Î 1 ton or load...
Σελίδα 131 - To reduce an improper fraction to a whole or mixed number, — RULE : Divide the numerator by the denominator ; the quotient will be the whole or mixed number.
Σελίδα 21 - Measures. 1728 cubic inches make 1 cubic foot 27 cubic feet - 1 cubic yard...
Σελίδα 142 - Rule. — Multiply the numerators together for the numerator of the product, and the denominators together for the denominator of the product.
Σελίδα 133 - Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator.
Σελίδα 204 - The sum of all the terms. Any three of which being given, the other two may be found.
Σελίδα 52 - Multiply the whole number by the numerator of the fraction, and divide the product by the denominator ; or divide the whole number by the denominator of the fraction, and multiply the quotient by the numerator.
Σελίδα 18 - LENOTH. 12 inches 1 foot. 3 feet 1 yard. 5J yards 1 rod, pole or perch. 40 poles ..... 1 furlong. 8 furlongs, or 1760 yds.