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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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American Common-school Arithmetic ...

Rufus Putnam - Arithmetic - 1849
...4050, which is 3f. Ans. 3.тo. 18 d. RULE. Multiply each debt by the time to elapse before it is due, and divide the sum of the products by the sum of the debts ; the quotient it the equated time. 2. A man owed $20 to be paid in 3 months, $50 in 4 months,...
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Rudimentary arithmetic

James Haddon - Arithmetic - 1849 - 128 pages
...payments, due at different times, should be paid at once. BULE. Multiply each payment by its time, and divide the sum of the products by the sum of the payments. PARTNERSHIP. Partnership or Fellowship is a method of finding the shares in the profit or...
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Rainey's Improved Abacus: An Explanatory Treatise on the Theory and Practice ...

Thomas Rainey - Arithmetic - 1849 - 312 pages
...Multiply the sum of each payment by its time, add the several payments: then, add their products ; and divide the sum of the products, by the sum of the payments. The several periods of time must be of the same denomination ; tither days, months, or y'ars,...
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THE UNIVERSITY ARITHMETIC, EMBRACING THE SCIENCE OF NUMBERS, AND THEIR ...

CHARLES DAVIES, LL.D - 1850
...the payments.) Hence, to find the mean time, 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. 1. B owes A $600: $200 is to be paid in two...
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A New System of Arithmetic on an Improved Plan

Charles Guilford Burnham - Arithmetic - 1850 - 324 pages
...---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...
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The Speedy Calculator: Being a System of Arithmetic

Benjamin Naylor - 1850 - 324 pages
...above illustration we infer the following RULE. Multiply each payment by the time at which it is due, and divide the sum of the products by the sum of the payments, and the quotient will be the equated time. 2. E owes G $2400, of which $480 are to be paid...
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A THEORETICAL AND PRACTICAL ARITHMETIC

DANIEL LEACH, WILLIAM D. SWAN - 1851
...mixture, when the price of each ingredient and the quantity are given, — RULE. Multiply each ingredient by its price, and divide the sum of the products by the sum of the ingredients. The quotient will be the price of the mixture. 1. A grocer mixed 10 pounds of tea worth...
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Arithmetic, Practically Applied ...

Horace Mann - 1851
...several debts : Multiply each charge by the time which has elapsed from jfhe date of the first bill, and divide the sum of the products by the sum of the bills. To find the equated time for the settlement of an account, in which there are both debits and...
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The scholar's guide to arithmetic; or, A complete exercise-book

John Bonnycastle - 1851
...ingredients are given, to find the value of the compound. RULE.* Multiply each quantity by its rate ; then divide the sum of the products by the sum of the quantities, or the whole composition, and the quotient will be the rate of the compound required. EXAMPLES. (1.)...
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School Arithmetic: Analytical and Practical

Charles Davies - 1852 - 336 pages
...the payments.) Hence, to find the mean time, 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. 1. B. owes A $600 ; $200 is to be paid in...
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