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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 true time required. "
A System of Arithmetic: Reprinted from the Mathematical Text-book - Page 199
by Samuel Webber - 1812 - 248 pages
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Pike's System of Arithmetick[!] Abridged ...: To which are Added Appropriate ...

Nicolas Pike, Dudley Leavitt - Arithmetic - 1830 - 240 pages
...once, several debts due at different times, so that neither party shall sustain loss. RULE.—Multiply each payment by the time at which it is due; then...sum of the payments, and the quotient will be the equated time.* • , EXAMPLES. 1. A owes B $380 to be paid as follows, viz. $100 in 6 months, $120...
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Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - Arithmetic - 1830 - 294 pages
...find the mean time for several payments, — RULE : — 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 rule is founded on the supposition, that what is gained by keeping a debt a certain...
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Adams's New Arithmetic

Daniel Adams - Arithmetic - 1830 - 280 pages
...find the mean time for several payments^ — RULE : —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 rule is founded on the supposition, that what is gained by keeping a debt a certain...
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Adam's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - Arithmetic - 1831 - 276 pages
...find the mean time for several payments, — RULE : — 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 rule is founded on the supposition, that what is gained by keeping a debt a certain...
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A Short System of Practical Arithmetic: Compiled from the Best Authorities ...

William Kinne - Accounting - 1831 - 248 pages
...in ready money, at 3 per cent. ? Ans. J1360 7s. 10fd.+ EQUATION OF PAYMENTS. • » RULE.—Multiply each payment by the time at which it is due; then divide the sum of the product by the sum of the payments, and the quotient will be the time required. EXAMPLES. 1. A owes...
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The Youth's Assistant in Theorhetic [sic] and Practical Arithmetic: Designed ...

Zadock Thompson - Arithmetic - 1832 - 182 pages
...practical purposes. 189. RULE. — Multiply each of the payments by the time in which it is due, and divide the sum of the products by the sum of the payments ; the quotient will he the equated time of payment. QUESTIONS FOR PRACTICE. 2. A owes B $380, to he...
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The Youth's Assistant in Theoretic and Practical Arithmetic: Designed for ...

Zadock Thompson - Arithmetic - 1832 - 186 pages
...practical purposes. 189. RULE. — Multiply each of the payments by the time in which it is due, and divide the sum of the products by the sum of the payments; the quotient will be the equated time of payment. •__ - ''• f 1 QUESTIONS FOR PRACTICE. 2. A owes...
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Adam's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - Arithmetic - 1833 - 268 pages
...find the mean time for several payments,' — RULE : — 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 rule is founded on the supposition, that what is gained by keeping a debt a certain...
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A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - Arithmetic - 1837 - 266 pages
...75-r-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 as follows : $100 in 8 months, $100 in 2 months, and $220...
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Mental and Practical Arithmetic

Charles Davies - Arithmetic - 1838 - 292 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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