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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 ... - Page 82
by Zadock Thompson - 1832 - 168 pages
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The scholar's guide to arithmetic; or, A complete exercise-book

John Bonnycastle - 1851 - 314 pages
...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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The U.S. Law Cabinet

Isaac Ridler Butts - 1852 - 596 pages
...AVERAGE PAYMENT OF DIFFERENT PAYMENTS. RULE. — Multiply each Debt by the time in which it is Payable, and divide the Sum of the Products by the Sum of the Debts— as follows : fiought at 4 months' credit. When is the equated time qf payment ? 1851. Anfl....
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School Arithmetic: Analytical and Practical

Charles Davies - 1852 - 346 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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The practice and theory of arithmetic

William Frederick Greenfield - 1853 - 228 pages
...each ingredient, expressed in terms of the same unit, by the rates also expressed in the same unit ; divide the sum of the products by the sum of the quantities ; the quotient will be the price of an unit of quantity in terms of an unit of price. EXAMPLE. A wine merchant mixes 30 gallons...
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A Theoretical and Practical Arithmetic: Designed for Common Schools and ...

Daniel Leach - Arithmetic - 1853 - 626 pages
...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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The Computist's Manual of Facts: And Merchant's and Mechanic's Calculator ...

Ezra S. Winslow - Business mathematics - 1853 - 264 pages
...Multiply the weight of the several particles by the squares of their distances from the axis of motion, and divide the sum of the products by the sum of the weights ; the square root of the quotient will be the distance of the centre of gyration from the axis...
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The Practical Calculator; a Treatise on Arithmetic ...

C. W. Thornhill - 1854 - 228 pages
...— ALLIGATION MEDIAL. — The quantities and prices being given to find the mean price. RULE. — Multiply each quantity by its price, and divide the...sum of the products by the sum of the quantities. EXAMPLES. A grocer mixes 5 Ibs. of tea at Ss. Od. ; 7 Ibs. at 5s. Od. ; and 9 Ibs. at 6*. Od. ; what...
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Introduction to arithmetic

Chambers W. and R., ltd - 1854 - 152 pages
...Multiply each quantity by its price; then add the quantities in one sum and the products in another, and divide the sum of the products by the sum of the quantities : the quotient is the average. Example. — I have bought two yards of cloth, at 10s. each ; 3 yards at 15s. ; and...
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Text book of arithmetic

Mathew Wilson - 1854 - 210 pages
...loss to either party. BULE : — Multiply each debt by the time which must elapse before it is due, and divide the sum of the products by the sum of the debts ; the quotient is the time required. EXAMPLE. Paid 480 as follows :— 60 in 40 days, 180...
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Elements of Arithmetic, Part 2

Horace Mann - 1855 - 270 pages
...several debts : Multiply each charge by the time which has elapsed from the date of the first bill, and divide the sum of the products by the sum of the bills. 119. EXAMPLE FOR THE BOARD. A merchant owes $4.00, payable in 3 months ; $6.00 payable in 6...
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