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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 Progressive Higher Arithmetic: For Schools, Academies, and Mercantile ... - Page 351
by Horatio Nelson Robinson - 1860 - 456 pages

## Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - Arithmetic - 1830 - 264 pages
...To find the mean time for several payments, — RULE : — Multiply each sum by its time of payment, and divide the sum of the products by the sum of the payments, and the quotient will be the answer. Note. This rule is founded on the supposition, that what is gained...

Daniel Adams - Arithmetic - 1830 - 282 pages
...To find the mean time for several payments^ — RULE : —Multiply each sum by its time of payment, and divide the sum of the products by the sum of the payments, and the quotient will be the answer. Note. This rule is founded on the supposition, that what is gained...

## Adam's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - Arithmetic - 1831 - 264 pages
...To find the mean time for several payments, — RULE : — Multiply each sum by its time of payment, and divide the sum of the products by the sum of the payments, and the quotient will be the answer. Note. This rule is founded on the supposition, that what is gained...

## The Youth's Assistant in Theoretic[!] and Practical Arithmetic ...

Zadock Thompson - Arithmetic - 1832 - 186 pages
...for practical purposes. 189. RULE. — Multiply each of the payments by the time in which it is due, and divide the sum of the products by the sum of the payments ; the quotient will be the equated time of payment QUESTIONS FOR PRACTICE. 2. A owes B \$380, to be paid \$100 in 6 months, \$120...

## The Youth's Assistant in Theorhetic [sic] and Practical Arithmetic: Designed ...

Zadock Thompson - Arithmetic - 1832 - 188 pages
...the precedmg example, it is called ALLIGATION MEDIAL. RULE. 208. Multiply each quantity by its price, and divide the sum of the products by the sum of the quantities, the quotient will be the rate of the compound required. QUESTIONS FOR PRACTICE. 2. If I...

## The Youth's Assistant in Theoretic and Practical Arithmetic: Designed for ...

Zadock Thompson - Arithmetic - 1832 - 186 pages
...preceding example, it is called ALLIGATION MEDIAL. RULE. 808. Multiply each quantity by its price, and divide the sum of the products by the sum of the quantities, the quotient will be the rate of the compound required. QUESTIONS FOR PRACTICE. 2. If I...

## Adam's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - Arithmetic - 1833 - 264 pages
...find the mean time for several payments,' — RULE : — Multiply each sum by its time of payment, and divide the sum of the products by the sum of the payments, and the quotient will be the answer. Note. This rule is founded on the supposition, that what is gained...

## A system of practical arithmetic, comprehending numerous rules and examples ...

Samuel YOUNG (of Manchester.) - 1833 - 272 pages
...of the several simples, to find the rate of the mixture. RULG. Multiply each quantity by its rate, and divide the sum of the Products by the sum of the quantities. (1) 8 Ibs. of sugar at 7d. per Ib. were mixed with 5 Ibs. at 8d. and 7 Ibs. at Is. Required...