The London Gentleman's and Schoolmaster's Assistant: Containing. An easy and very comprehensive system of practical arithmetic. Great variety of bills of parcels, promissory notes, and receipts. An abstract of chronology. An extensive geographical table, shewing the direct distance, bearing, and probable time of sailing from London, to the principal places on the earth. A number of original questions as exercises. I.. II.. III.. IV.. V.
author and sold, 1787 - 183 σελίδες
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14 yards A M P L E aliquot Amount Annuity Annum Anſ Anſwer Bought Buſhel C A S E Caſe Compound Intereſt confiſts Cube Root Days Decimal Denominator divide Diviſion Diviſor Dominical Letter E X A M P L E E X A M P L E I Engliſh Farthings Feet firſt Figure Flemiſh Fraćtion gain per cent Gallons given greateſt Term Groſs Guineas Hogſheads Inches increaſe Iool itſelf laſt leaſt Term leſs Loſs Meaſure MENTAL Account Miles Multiply muſt Number of Terms Pence Perſon Pound Sterling Pounds preſent Worth prime coſt Produćt Queſtion Quotient R U L Reduce Remainder Remains Proof Required the value Rule S E C T I O N ſaid ſame Value ſecond Shillings ſold Square Root ſtand ſubtract Tare theſe thoſe Thouſand uſed whoſe yards at 19 Yards coſt
Σελίδα 83 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator.
Σελίδα 74 - 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.
Σελίδα 131 - A man bought a horse, and by agreement was to give a farthing for the first nail, two for the second, four for the third, &c. There were four shoes, and eight nails in each shoe ; what did the horse come to at that rate ? £4473924 5s.
Σελίδα 44 - RULE. Divide the lowest denomination given, by so many of that name, as make one of the next higher, and thus continue, till you have brought it into that denomination, which your question requires.
Σελίδα 75 - To reduce a fraction of one denomination to the fraction of another, but greater, retaining the same value. RULE.
Σελίδα 17 - A Barrel of Salmon or Eels, is 42 Gallons. A Barrel of Herrings, - 32 Gallons. A Keg of Sturgeon, - 4 or 5 Gallons. A Firkin of Soap, - - - - 8 Gallons. DRY MEASURE. Marked. > Pints - - make i Quart - - I $ts
Σελίδα 17 - Beer measure ? A. In London only they compute 8 gallons to the firkin of ale, and 32 gallons to the barrel ; but in all other parts of England, for ale, strong beer, and small beer, 34 gallons are computed to the barrel, and 8 gallons and a half to the firkin.
Σελίδα 81 - When the lower fraction is greater than the upper, subtract the numerator of the lower fraction from the denominator, and to that difference add the upper numerator, carrying one to the unit's place of the lower whole number.
Σελίδα 10 - ... give the quotient required. — But as it sometimes happens that there is a remainder to each of the quotients, and neither of them the true one, it may be found by this RULE. Multiply the first divisor by the last remainder, and to the product add the first remainder, which will give the true one.