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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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School Arithmetic: Analytical and Practical

Charles Davies - 1852 - 336 σελίδες
...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...

The U.S. Law Cabinet

Isaac Ridler Butts - 1852
...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....

The practice and theory of arithmetic

William Frederick Greenfield - 1853
...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...

A Theoretical and Practical Arithmetic: Designed for Common Schools and ...

Daniel Leach - 1853
...several sums, due at different periods. 244. RULE. Multiply each sum by the time before it becomes due, and divide the sum of the products by the sum of the payments. OBS. 1. This rule has been considered by many as incorrect ; but it is as correct as any...

The Computist's Manual of Facts: And Merchant's and Mechanic's Calculator ...

Ezra S. Winslow - 1853 - 252 σελίδες
...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...

The Practical Calculator; a Treatise on Arithmetic ...

C. W. Thornhill - 1854
...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...

Text book of arithmetic

Mathew Wilson - 1854
...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...

Elements of Arithmetic, Μέρος 2

Horace Mann - 1855
...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...

A New System of Arithmetic, on an Improved Plan, Embracing the Rules of ...

Charles Guilford Burnham - 1857
...75-7-15 = 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...

Arithmetic, Practically Applied, for Advanced Pupils, and for Private ...

Horace Mann, Pliny Earle Chase - 1857 - 370 σελίδες
...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. To find the equated time for the settlement of an account, in which there are both debits and...




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