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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
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A New System of Arithmetic: In which is Explained and Applied to Practical ...

Calvin Tracy - Arithmetic - 1840 - 311 pages
...following rule : RULE. — Multiply each payment by the time which must elapst before it becomes due, and divide the sum of the products by the sum of the payments. 2. A. owes me $50, payable in 4 months ; $100, payable in 10 months ; and $150, payable in 16 months....
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The National Arithmetic ...: Combining the Analytic and Synthetic Methods ...

Benjamin Greenleaf - Arithmetic - 1841 - 314 pages
...same as $19 for j'5 of 152 months, which is 8 months, as before. Hence the propriety of the following RULE. * Multiply each payment by the time, at which...of the products by the sum of the payments, and the quotient will be the true time required. 2. A owes B $300, of which $50 is to be paid in 2 months,...
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A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - Arithmetic - 1841 - 312 pages
...75-rl5=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 as follows : $100...
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Adams's New Arithmetic...: Arithmetic, in which the Principles of Operating ...

Daniel Adams - Arithmetic - 1848 - 306 pages
...Ans. Hence, To find the mean time of several payments, 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,...
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A system of arithmetic

John Husband (math. master, Berwick.) - 1841
...made for the whole ? Ans. 7 months. EQUATION OF RATES. RULE.— Multiply each quantity by its rate, then divide the sum of the products by the sum of the quantities, and the quotient will be the rate of the compound. EXERCISES. 1. What is the average rate...
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Introduction to the National Arithmetic: On the Inductive System : Combining ...

Benjamin Greenleaf - Arithmetic - 1842 - 174 pages
...same, as $ 100 for ffa of 640 months, which is 8 months and 12 days, as before. Hence the following RULE. Multiply each payment by the time at which it...of the products by the sum of the payments, and the quotient will be the true time required. 2. John Smith owes a merchant, in Boston, $ 1000, $250 of...
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Daboll's Complete Schoolmaster's Assistant Being a Plain Comprehensive ...

Nathan Daboll - Arithmetic - 1843 - 240 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 it...of the products by the sum of the payments, and the quotient will be the answer. EXAMPLES. 1. A owes B $380, to be paid $100 in 6 months, $120 in 7 months,...
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A Treatise of Arithmetic: Designed for the Use of the Elementary Schools ...

Arithmetic - 1843 - 129 pages
...different times may be paid at once. RULE. Multiply each debt by the time which must elapse before it is due ; then divide the sum of the products by the sum of the debts for the equated time nearly. 1. A owes me 150 in 40 days, 70 in 60 days, 200 in 105 days...
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The National Arithmetic: On the Inductive System, Combining the Analytic and ...

Benjamin Greenleaf - Arithmetic - 1843 - 314 pages
...for ,'5 of 152 months, which is 8 months, as before. Hence the propriety of the following RULE.* s Multiply each payment by the time, at which it is due ; then divide ihe sum of llie products by the sum of the payments, and the quotient will be the true time required....
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Arithmetic, Designed for Academies and Schools

Charles Davies - Arithmetic - 1843 - 12 pages
...payments.) Hence, we have the following RULE. 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. 2. B owes A $600 : $200 is to be paid in two months, $200 in...
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