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" RULE. Multiply each payment by the time at which it is due, then divide the sum of the products by the sum of the payments, and the quotient will be the answer. "
The Scholar's Arithmetic; Or, Federal Accountant ...: The Whole in a Form ... - Page 189
by Daniel Adams - 1807 - 216 pages
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The Progressive Practical Arithmetic: Containing the Theory of Numbers, in ...

Horatio Nelson Robinson - Arithmetic - 1859 - 336 pages
...months on $30, because 30 X 6 = 180 X 1. 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 date at...
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Arithmetic, theoretical and practical. [With] Key

Chambers W. and R., ltd - 1859
...or quality ; add all the products together into one sum, and all the quantities into another sum ; then divide the sum of the products by the sum of the quantities — and the quotient will be the required rate or quality of the composition. Example. —...
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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 ; for" if...
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The Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ...

Horatio Nelson Robinson - Arithmetic - 1860 - 456 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 date at...
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The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1860 - 444 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 the time...
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The school arithmetic

Robert Johnston (F.R.G.S.) - 1860
...party. RULE. — 1. Multiply each debt by the time which should elapse before it will become due. 2. Then divide the sum of the products by the sum of the debts. Ex. 1. One person owes another 50, payable in 6 months ; 60, payable in 8m. ; and 90,...
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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
...months=8 months, the equated time. RULE. — Multiply each payment or debt by its time of credit, and divide the sum of the PRODUCTS by the sum of the PAYMENTS. Note. — 1. By the term discount, as used above, is meant mercantile discount or simple interest....
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Vermont School Journal and Family Visitor, Volumes 3-4

Education - 1861
...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, frankly...
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Adams's Improved Arithmetic: Arithmetic, in which are Combined the Analytic ...

Daniel Adams - Arithmetic - 1861 - 280 pages
...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 city $200,...
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Davies' University Arithmetic: Embracing the Answers, and a Full Analysis ...

Charles Davies - Arithmetic - 1861 - 336 pages
...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 to be paid...
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