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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. "
Introduction to arithmetic - Σελίδα 114
των Chambers W. and R., ltd - 1854
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ARITHMETIC, PRACTICALLY APPLIED, FOR ADVANCED PUPILS, AND FOR PRIVATE REFERENCE.

HORACE MANN, PLINEY E. CHASE - 1857
...several debts . Multiply each charge by the time which has elapsed from the date of the first billy and divide the sum of the products by the sum of the Mils. To find the equated time for the settlement of an account, in which there are both debits and...

A Treatise on Arithmetic, Combining Analysis and Synthesis: Adapted to the ...

James Stewart Eaton - 1857 - 355 σελίδες
...becomes due to the time when each of the others is due ; multiply each of these bills by its time, and divide the sum of the products by the sum of the bills ; the quotient will be the number of days from the time of the earliest payment to the equated...

A NEW SYSTEM OF ARITHMETIC

CHARLES G. BURNHAM - 1857
...5-4-15 = 5 months, the answer. Hence the ' RULE. Multiply each payment by the time when it becomes due, and divide the sum of the products by the sum of the payments, and the quotient will be the time required. 2. A merchant has owing him $420, to be paid...

Introduction to The National Arithmetic: On the Inductive System : Combining ...

Benjamin Greenleaf - 1857 - 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, hut it is not perfectly correct...

The North American Practical School Arithmetic: Particularly Adapted to the ...

David Price - 1858 - 252 σελίδες
...average or mean time, where there are debus only. RULE. — Multiply each debt by the time it has to run, and divide the sum of the products by the sum of the debts ; the quotient will be the average time for the payment of the whole amount of the debts. PROOF....

Arithmetic, theoretical and practical. [With] Key

Chambers W. and R., ltd - 1859
...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. — If four...

The Progressive Practical Arithmetic: Containing the Theory of Numbers, in ...

Horatio Nelson Robinson - 1859 - 336 σελίδες
...of 6 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...

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

Benjamin Greenleaf - 1860 - 444 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...

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...

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

Horatio Nelson Robinson - 1860 - 432 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...




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