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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 true time required. "
Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ... - Σελίδα 139
των Daniel Adams - 1810 - 180 σελίδες
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The Progressive Higher Arithmetic, for Schools, Academies, and Mercantile ...

Horatio Nelson Robinson - 1860 - 444 σελίδες
...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...

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

Benjamin Greenleaf - 1860 - 456 σελίδες
...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...

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

Benjamin Greenleaf - 1860 - 324 σελίδες
...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...

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

Daniel Adams - 1861 - 452 σελίδες
...6 days. 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 city $200,...

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

Charles Davies - 1861 - 496 σελίδες
...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 to be paid...

Vermont School Journal and Family Visitor, Τόμοι 3-4

1861 - 712 σελίδες
...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, frankly...

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

Benjamin Greenleaf - 1861 - 338 σελίδες
...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...

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

Emerson Elbridge White - 1861 - 348 σελίδες
...9600 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....

Practical Arithmetic: Embracing the Science and Applications of Numbers

Charles Davies - 1863 - 346 σελίδες
...$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 in 6 months...

The Normal Written Arithmetic: By Analysis and Synthesis, Designed for ...

Edward Brooks - 1863 - 350 σελίδες
...credit of jJ-3 of 1500 months, which is 3J months. Hence RULE. — Multiply each payment ly its time, and divide the sum of the products by the sum of the payments, the quotient will lie, the average term of credit. 2. A owes B §6000, J due in 3mo., | in 4mo., and...




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