The New System of Practical Arithmetic: Whereby Most of the Various Problems of that Useful Science are Easily and Expeditiously Solved by One Simple Rule ...W. D'Hart, 1835 - 180 páginas |
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Página 12
... tion to be thus : If 4 men earn $ 12 in 3 days , how many girls will earn $ 48 in 16 days ? the work of 4 girls being equal to that of 3 boys , and that of 5 boys equal to 2 men . For this question we should make the statement and find ...
... tion to be thus : If 4 men earn $ 12 in 3 days , how many girls will earn $ 48 in 16 days ? the work of 4 girls being equal to that of 3 boys , and that of 5 boys equal to 2 men . For this question we should make the statement and find ...
Página 35
... tion , as 34 , 91 , & c . REDUCTION OF VULGAR FRACTIONS . CASE 1 . To change the terms of a fraction without altering its value . RULE . Multiply both terms of the fraction by any given number . EXAMPLES . 1. Express with terms 3 times ...
... tion , as 34 , 91 , & c . REDUCTION OF VULGAR FRACTIONS . CASE 1 . To change the terms of a fraction without altering its value . RULE . Multiply both terms of the fraction by any given number . EXAMPLES . 1. Express with terms 3 times ...
Página 55
... tion , a consecutive equation may be formed . As the first term of the required equation is always un- known , it may be written in the words of the demand . When a question is converted into a consecutive equa- tion , it is sometimes ...
... tion , a consecutive equation may be formed . As the first term of the required equation is always un- known , it may be written in the words of the demand . When a question is converted into a consecutive equa- tion , it is sometimes ...
Página 56
... tion ascending . Also , when the sum or quantity given has but one denomination , it is called Simple Reduction ; but when the number is otherwise , it is called Compound Reduction .. SIMPLE REDUCTION . GENERAL RUle . - Proceed by the ...
... tion ascending . Also , when the sum or quantity given has but one denomination , it is called Simple Reduction ; but when the number is otherwise , it is called Compound Reduction .. SIMPLE REDUCTION . GENERAL RUle . - Proceed by the ...
Página 72
... tion . Proof as in Simple Subtraction . ENGLISH MONEY . EXAMPLES . £ S. d . From 10 6 3 Take 5 7 6 Diff . 4 18 9 OPERATION . - As we cannot take 6 from 3 , we subtract 6 from the unit measure belonging to this denomination , viz . 12 ...
... tion . Proof as in Simple Subtraction . ENGLISH MONEY . EXAMPLES . £ S. d . From 10 6 3 Take 5 7 6 Diff . 4 18 9 OPERATION . - As we cannot take 6 from 3 , we subtract 6 from the unit measure belonging to this denomination , viz . 12 ...
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The New System of Practical Arithmetic: Whereby Most of the Various Problems ... Charles Potts Sin vista previa disponible - 2016 |
The New System of Practical Arithmetic: Whereby Most of the Various Problems ... Charles Potts Sin vista previa disponible - 1836 |
Términos y frases comunes
acres amount annex annuity annum answer Arithmetic barter bought breadth bushels cancelling candareens ciphers compound interest compound quantity cost cube root Decimal Fractions diameter discount divide the product dividend division divisor dollars drams equal equation EXAMPLES exchange farthings federal money feet gain gallons given fractions given number grains guilders hogshead improper fraction integers length less merchant miles months multiplicand Multiply neat weight NOTE number of terms operation ounces payment pecks pence Pennsylvania currency perches perpendicular height pints pounds present worth principal proceed produced term Proportion quarters quarts question quotient rate per cent ratio Reduce remainder right hand figure roods scalage second term shillings simple slanting height sold South Carolina square root sterling subtract sugar TABLE tare terms of supposition tion tons TROY WEIGHT unit measure Vulgar Fractions whole numbers yards of cloth
Pasajes populares
Página 60 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Página 107 - But if any payments be made before one year's interest hath accrued, then compute the interest on the principal sum due on the obligation, for one year, add it to the principal, and compute the interest on the sum paid, from the time it was paid up to the end of the year ; add it to the sum paid...
Página 34 - To change a mixed number to an improper fraction, multiply the whole number by the denominator of the fraction and add the numerator.
Página 148 - Bring down the first figure of the next period to the remainder for a new dividend, to which find a new divisor as before, and in like manner proceed till the whole be finished.
Página 62 - DIVISIONS OF THE CIRCLE. 60 Seconds = 1 Minute. 60 Minutes = 1 Degree. 30 Degrees = 1 Sign. 90 Degrees = 1 Quadrant. 360 Degrees, or 12 Signs = 1 Circumference. Formerly the subdivisions were carried on by sixties ; thus, the second was divided into 60 thirds, the third into 60 fourths, &c.
Página 107 - Compute the interest to the time of the first payment ; if that be one year or more from the time the interest commenced, add it to the principal, and deduct the payment from the sum total. If there be after payments made, compute the interest on the balance due to the next payment, and then deduct the payment as above ; and, in like manner, from one payment to another, till all the payments are absorbed; provided the time between one payment and another be one year or more.
Página 170 - For half yearly payments take a unit from the ratio, and from the square root of the ratio; half the quotient of the first remainder divided by the latter, will be the tabular number. For quarterly payments use the 4th root as above, and take one quarter of the quotient. CASE 1. The annuity, time, and rate of interest given, to find the amount. RULE. From the ratio involved to the time take...
Página 154 - SET down the two dimensions to be multiplied together, one under the other, so that feet may stand under feet, inches under inches, &c. Multiply each term in the multiplicand, beginning at the lowest, by the feet in the multiplier, and set the result of each straight under its corresponding term, observing to carry 1 for every 12, from the inches to the feet.
Página 155 - If the vessel be double-decked, take the length thereof from the fore part of the main stem to the after part of the stern-post above the upper deck ; the breadth thereof at the broadest part above the main wales...
Página 112 - 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...