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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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Mathematics: Compiled from the Best Authors and Intended to be the ..., Τόμος 1

1801 - 446 σελίδες
...rates and quantities of the sev* eral simples given, RULE.* ' Multiply each quantity by its rate ; then divide the sum. of the products by the sum of the quantities, or the whole composition, * The truth of this rule is too evident to need a demonstration. NOTE. If...

The American Tutor's Guide: Being a Compendium of Arithmetic. In Six Parts ...

James Thompson - 1808 - 176 σελίδες
...the whole debt to do wflich the following is the common RULE — Multiply each payment by its time, and divide the sum of the products by the sum of the. payments ; the quoticut will be the equated tint«. EXAMPLES. 1. A. owes B. g600 to pay at 40 days,...

The Federal Arithmetic; Or, A Compendium of the Most Useful Rules of that ...

James Noyes - 1808 - 168 σελίδες
...times, so that neither party may be a loser. 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; the quotient will be the equated time. EXAMPLES. 1. A owes B 228O dollars, to be paid as...

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

Daniel Adams - 1810 - 190 σελίδες
...find the mean time for several payments, — RUt.E : — 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 rale is founded on the supposition, that...

Pocket Encyclopedia: Or, A Dictionary of Arts, Sciences, and Polite ..., Τόμος 1

Edward Augustus Kendall - 1811 - 962 σελίδες
...lb. of the mixture. Rule. Multiply each quantity by its rate and add all the products together, then divide the sum of the products, by the sum of the quantities, and the quotient will be the rate sought. Thus in the example, lb. s. 6 CX 5K — !«and 14) 78 (St....

A pocket encyclopædia, or library of general knowledge, Τόμοι 1-4

Edward Augustus Kendall - 1811 - 462 σελίδες
...lb. of the mixture. Rule. Multiply each quantity by its rate and add all the products together, then divide the sum of the products, by the sum of the quantities, and the quotient will be the rate sought. Thus in the example, Ib. «. 8 6 II 48 and 14) 78 (5s. 6rfJ...

A System of Practical Arithmetic: Applicable to the Present State of Trade ...

Jeremiah Joyce - 1812 - 274 σελίδες
...either to the holder or receiver. "Rtit'E. Multiply each payment by the time at which it becomes due, and divide the sum of the products by the sum •of the payments, and the quotient will be the medium time required. Ex. 1. I have to receive £967 in notes,...

Logarithmick Arithmetick: Containing a New and Correct Table of Logarithms ...

1818 - 264 σελίδες
...rates and quantities of the several simples given. RULE. Multiply each quantity by its rate ; then divide the sum of the products by the sum of the quantities, the quotient will be the rate of the compound required. EXAMPLES. 1. Suppose 15 bushels of rye, at 64 cts. pr. bushel,...

A Complete System of Theoretical and Mercantile Arithmetic: Comprehending a ...

George G. Carey - 1818 - 602 σελίδες
...either to debtor or creditor. RULE. Multiply each sum by the time it has to run, before it be due, and divide the sum of the products by the sum of the debU. The quotient is the equated time of payment*. EXAMPLE. A merchant owes £89., due this day, 1st...

The Complete Practical Arithmetician: Containing Several New and Useful ...

Thomas Keith - 1822 - 354 σελίδες
...Multiply the first supposition by the second error, and the second supposition by the first error, and divide the sum of the products by the sum of the errors, if they are differently marked ; or the difference of the products by the difference of the...




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