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Table des matičres

 Introduction 7 Table of Composite numbers 28 Moneys Weights and Measures 36 Multiplication of ditto 44 Bills of Parcels 52 Reduction 65 Proportion or Rule of Three 72 Simple Interest 81
 Exchange 103 Subtraction 122 Division of Decimals 128 Rule of Three 135 Simple Interest 145 Equation of Payments 151 Purchasing Freehold Estates 158 Bookkeeping 173

 Alligation 96

Fréquemment cités

Page 117 - To reduce a mixed number to an improper fraction. RULE. Multiply the whole number by the denominator of the fraction, and to the product add the numerator for a new numerator, and place it over the denominator. 1. Reduce 127T^ to an improper fraction.
Page 118 - To reduce fractions of different denominators to equivalent fractions, having a common denominator. RULE. — Multiply each numerator into all the denominators except its own for the new numerators ; and multiply all the denominators together for a common denominator.
Page 139 - The top of a castle from the ground is 45 yards high, and is surrounded with a ditch 60 yards broad ; what length must a ladder be to reach from the outside of the ditch to the top of the castle ? Ans.
Page 56 - All small names are brought into great by dividing with so many of the less as make one of the greater.
Page 107 - II. When it is required to find how many of the last sort of coin, weight or measure, mentioned in the question,, are equal to a gjveu quantity of the first.
Page 101 - EXAMPLES. 1. A schoolmaster, being asked how many scholars he had, said, If I had as many, half as many, and one quarter as many more, I should have 264: how many had he?
Page 117 - To reduce a compound fraction to a single one. 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 term by Case I.
Page 142 - To extract the Square Root of a Vulgar Fraction. RULE, Reduce the fraction to its lowest terms, then extract the square root of the numerator for a new numerator, and the square root of the denominator for a new denominator.
Page 142 - There is a cellar dug that is 12 feet every way, in length, breadth, and depth; how many solid feet of earth were taken out of it? Ans. 1728. 42. How many bricks 9 inches long and 4 inches wide, will pave a yard that is 20 feet square?
Page 72 - Multiply the first and second terms together, and divide the product by the third ; the quotient will be the answer in the same denomination as the middle term was reduced into.