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RULE. Multiply each payment by the time at which it is due, then divide the sum of the products by the sum of the payments, and the quotient will be the answer.
The Scholar's Arithmetic; Or, Federal Accountant ...: The Whole in a Form ... - Page 189
by Daniel Adams - 1807 - 216 pages

## Arithmetic: Designed for Academies and Schools, Uniting the Inductive ...

Charles Davies - Arithmetic - 1847 - 360 pages
...Hence, to find the mean time, ' .• , ' Multiply each payment by ihe 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...

## Arithmetic: In which the Principles of Operating by Numbers are Analytically ...

Daniel Adams - Arithmetic - 1848 - 312 pages
...Hence, To find the mean time of several payments, RULE. Multiply each sum by its time of payment, and divide the sum of the products by the sum of the payments. EXAMPLES FOR PRACTICE. 4. A western merchant owes in New York city \$200, due in 5 months ; \$325'50,...

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

Daniel Adams - Arithmetic - 1848 - 306 pages
...Hence, To find the mean time of several payments, RULE. Multiply each sum by its time of payment, and divide the sum of the products by the sum of the payments. EXAMPLES FOR PRACTICED 4. A western merchant owes in New York city \$200, due in 5 months; \$325'50,...

## The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1849 - 360 pages
...same as \$19 for T^ of 152 months, which is 8 months, as before. Hence the propriety of the following RULE .* — Multiply each payment by the time at which...the sum of the products by the sum of the payments r and the quotient will be the true time required. 2. A owes B \$ 300, of which \$ 50 is to be paid in...

## Daboll's Complete Schoolmaster's Assistant: Being a Plain Comprehensive ...

Nathan Daboll, David Austin Daboll - Arithmetic - 1849 - 249 pages
...-Payments is the method of finding the mean time to pay at once several debts, due at different times. •RULE. Multiply each payment by the time at which...is due, then divide the sum of the products by the swm of the payments, and the quotient will* be the answ«r. EXAMPLES.. % . 1. A owes B \$380, fo be...

## Introduction to The National Arithmetic: On the Inductive System Combining ...

Benjamin Greenleaf - Arithmetic - 1849 - 324 pages
...for the payment of the whole. Hence the following RULE. — Multiply each payment by the time before it is due, then divide the sum of the products by the sum of the payments, and the quotient will be the true time required. NOTE 1. — This is the rule usuaHy adopted by merchants,...

## 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 ; either days, months, or y tars, separately...

## 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 loss of several...