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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 ... - Page 82
by Zadock Thompson - 1832 - 168 pages

## The Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ...

Horatio Nelson Robinson - Arithmetic - 1860 - 444 pages
...because 45 X 00 = 270 X 1. Hence the following RULE. I. 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. II. Add the average term of credit to the...

## Introduction to The National Arithmetic, on the Inductive System: Combining ...

Benjamin Greenleaf - Arithmetic - 1860 - 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...

## The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1860 - 456 pages
...days, nearly, from May 1, or on June 13. 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. — When the date of the average time of payment is required, as in Example 2, Jind...

## Introduction to the National Arithmetic, on the Inductive System: Combining ...

Benjamin Greenleaf - Arithmetic - 1861 - 338 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...

## Bryant and Stratton's Commercial Arithmetic: In Two Parts. Designed for the ...

Emerson Elbridge White - Arithmetic (Commercial), 1861 - 1861 - 348 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...

## Davies' University Arithmetic: Embracing the Answers, and a Full Analysis ...

Charles Davies - Arithmetic - 1861 - 496 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...

## Vermont School Journal and Family Visitor, Volumes 3-4

Education - 1861 - 712 pages
...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,...

## Adams's Improved Arithmetic: Arithmetic, in which are Combined the Analytic ...

Daniel Adams - Arithmetic - 1861 - 454 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...