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" 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 equated time, nearly. "
A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ... - Seite 208
von Charles Guilford Burnham - 1841 - 312 Seiten
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A Practical Treatise on Arithmetic, [etc.].

George Leonard - 1841 - 354 Seiten
...either debtor or creditor, merchants usually Multiply each debt by the time to elapse before it is due, and divide the sum of the products by the sum of the debts. Though this method is inaccurate it is easy, and experiment shows it may be employed without...
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Introduction to the National Arithmetic: On the Inductive System : Combining ...

Benjamin Greenleaf - 1842 - 184 Seiten
...days, as before. Hence the following 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 true time required. 2. John Smith owes a merchant, in Boston, $ 1000, $250 of which is to be paid in...
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Daboll's Complete Schoolmaster's Assistant Being a Plain Comprehensive ...

Nathan Daboll - 1843 - 254 Seiten
...several debts, due at different times. 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. EXAMPLES. 1. A owes B $380, to be paid $100 in 6 months, $120 in 7 months, and $160 in 10 months...
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The National Arithmetic: On the Inductive System, Combining the Analytic and ...

Benjamin Greenleaf - 1843 - 340 Seiten
...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. • 2. A owes B $300, of which $50 is to be paid in 2 months, $100 in 5 months,...
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A Theoretical and Practical System of Arithmetic, etc

W. H. CRANK - 1843 - 340 Seiten
...mean rate of the mixture. RULE. — Multiply each quantity by its value for a unit of the quantity, and divide the sum of the products by the sum of the quantities. (1) 10 galls, of brandy at 16s. 4d., were mixed with 36 at 8*., 45 at 6*., and 18 at 10*....
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Arithmetic, designed for academies and schools, with answers

Charles DAVIES (LL.D.) - 1843 - 348 Seiten
...for the payment of the whole ? OPERATION. We here multiply each sum 200x2= 400 by the time at which it becomes due, and divide the sum of the products by the sum of 200x4= 800 200x6=1200 600 )24|00 ~ the payments. Ans. 4 months. 3. A merchant owes $600, of...
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A Practical Summary of the Law and Usage of Bills of Exchange and Promissory ...

Benjamin Franklin Foster - 1843 - 142 Seiten
...business use the following general RULE. Multiply the amount of each debt by the time it has to run till it becomes due, and divide the sum of the products by the amount of the debt ; the quotient is the average or equated time of payment. Thus the equated time...
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Introduction to The National Arithmetic, on the Inductive System: Combining ...

Benjamin Greenleaf - 1844 - 204 Seiten
...days, as before. Hence the following 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 true time required. 2. John Smith owes a merchant, in Boston, $ 1000, $250 of which is to be paid in...
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Arithmetic Designed for Academies and Schools: With Answers

Charles Davies - 1844 - 666 Seiten
...^the sum of the 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 : tlie quotient will lie the mean time. 2. B owes A $600 : $200 is to be paid in two months, $200 in...
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The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1844 - 352 Seiten
...the propriety of the following 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 unit be the true time required. 2. A owes B $300, of which $50 is to be paid in 2 months, $100 in 5...
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