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" Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit. "
The Youth's Assistant in Theoretic and Practical Arithmetic: Designed for ... - Page 82
by Zadock Thompson - 1838 - 164 pages
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INTRODUCTION TO THE NATIONAL ARITHMETIC, ON THE INDUCTIVE SYSTEM

BEJAMIN GREENLEAF - 1860
...payment of the whole. Hence the following RULE. -—Multiply each payment by its own time, of credit, and divide the sum of the products by the sum of the payments. NOTE 1. — This is the rule usually adopted by merchants, but it is not perfectly correct...
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Bryant and Stratton's Commercial Arithmetic: In Two Parts. Designed for the ...

Emerson Elbridge White - Arithmetic (Commercial), 1861 - 1861 - 332 pages
...quality of 1 oz. is 20. RULK. Multiply the value or quality of each article by'the number of articles, and divide the sum of the products by the sum of the articles. The quotient will be the average value or quality of the mixture. Ex.3. A grocer t mixed...
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Adams's Improved Arithmetic: Arithmetic, in which are Combined the Analytic ...

Daniel Adams - Arithmetic - 1861 - 280 pages
...Hence, To find the mean time of several, payments, — RULE. Multiply each sum by its tune of payment, and divide the sum of the products by the sum of the payments ; the quotient will be the equated tune. EXAMPLES. 2. A Western merchant owes in New York...
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Vermont School Journal and Family Visitor, Volumes 3-4

Education - 1861
...starting point. The rule for Equation of Payments is, " multiply each payment by its own time of credit, and divide the sum of the products by the sum of the payments," — another case in point. I have put down some of the more prominent faults in the books,...
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Davies' University Arithmetic: Embracing the Answers, and a Full Analysis ...

Charles Davies - Arithmetic - 1861 - 336 pages
...find the average time of payment : Rule. — Multiply each payment by the time before it becomes due, and divide the sum of the products by the sum of the payments: the Quotient will be the average time. Examples. 1. A merchant ows $1200, of which $200 is...
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Introduction to the National Arithmetic, on the Inductive System: Combining ...

Benjamin Greenleaf - Arithmetic - 1861 - 324 pages
...payment of the whole. Hence the following RULE. — Multiply each payment by its own time of credit. and divide the sum of the products by the sum of the payments. NOTE 1. — This is the rule usually adopted by merchants, but it is not perfectly correct...
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Practical Arithmetic: Embracing the Science and Applications of Numbers

Charles Davies - Arithmetic - 1863 - 336 pages
...$12 " " J_X 12 = 12. $6 $48 6 6)48. Rule. Multiply each payment by the time before it becomes due, and divide the sum of the products by the sum of the payments: the quotient will be the mean time. Examples. 2. A owes B $600 ; one-third is to be paid...
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Arithmetic, designed for the use of schools

John William Colenso (bp. of Natal.) - 1864
...the following Ordinary Rule. Multiply the several debts by their times in any uniform denomination, and divide the sum of the products by the sum of the debts. Thus, the above process is reduced to the following: — 651 x 5 = 3255 434x8 = 3472 10S5 )6727...
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A Practical Arithmetic: Upon the Basis of the Works of Geo. R. Perkins

George Payn Quackenbos - Arithmetic - 1872 - 336 pages
...Go through Ex. 1. 434. RULE. — To equate two or more payments, multiply each payment by its time, and divide the sum of the products by the sum of the payments. The times of the several payments must be in the same denomina. tion, and this will be the...
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National arithmetic, adapted to the standards of the revised code. Adapted ...

National arithmetic - 1872
...much as a woman, and a woman 5 times as much as a boy. (1.) Multiply 89 by 24, 94 by 36, and 56 by 20, and divide the sum of the products by the sum of the multipliers. (2.) How many more pence are there in 16 crowns than in 5 half-sovereigns ? (3.) How much...
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