# An Arithmetical Guide: In which the Principles of Numbers are Inductively Explained ...

H. Perkins, 1840 - Arithmetic - 288 pages
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### Contents

 Ratio 102 Canceling 111 182 271 277 111 Reduction 118 To Multiply by Denominate Numbers 127 Compound Addition 134 Compound Subtraction 140 Compound Multiplication 146 Miscellaneous Application of the Foregoing Rules 154
 PER CENTAGE 224 Commission 230 Simple Interest 236 Compound Interest 247 Duties 255 Equation of Quantities or Allegation Alternate 261 Compound Proportion 274 Evolution or Extraction of the Square Root 280

### Popular passages

Page 182 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Page 116 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 243 - The rule for casting interest, when partial payments have been made, is to apply the payment, in the first place, to the discharge of the interest then due. If the payment exceeds the interest, the surplus goes towards discharging the principal, and the subsequent interest is to be computed on the balance of principal remaining due.
Page 114 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Page 48 - It shows that the number after it is to be subtracted from the number before it ; thus, 5 — 3 = 2.
Page 85 - 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.
Page 166 - Divide the greater number by the smaller, then divide the divisor by the remainder; and thus continue dividing the last divisor by the last remainder, till nothing remains. The divisor used last of all, will be the greatest common divisor.
Page 84 - To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator.
Page 277 - If 100 men in 6 days of 10 hours can dig a trench 200 yards long, 3 yards wide, and 2 yards deep, in...
Page 113 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30-J- square yards = 1 square rod (sq.