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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 System of Practical Arithmetic: Applicable to the Present State of Trade ... - Σελίδα 177
των Jeremiah Joyce - 1812 - 258 σελίδες
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The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1844 - 352 σελίδες
...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...

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

Benjamin Greenleaf - 1844 - 208 σελίδες
...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 wiU be the true time required. 8. John Smith owes a merchant, in Boston, $ 1000, $250 of which is to...

Engineers' and Mechanics' Pocket-book ...

Charles Haynes Haswell - 1844 - 298 σελίδες
...11.34-5-7.56= 1.5 years, Ans. EQUATION OF PAYMENTS. Multiply ench sum by its time of payment in days, and divide the sum of the products by the sum of the payments. EXAMPLE.— A owes B $300 in 15 days, $60 in 12 days, and $350 in 20 days ; when is the whole due .!...

The National Arithmetic on the Inductive System

Benjamin Greenleaf - 1845 - 334 σελίδες
...propriety of the followiiir 14* 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. A owes B $300, of which $50 is to be paid in 2 months, $100 in 5 months, and...

Greenleaf's Introductory Arithmetic

Benjamin Greenleaf - 1845 - 222 σελίδες
...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...

Greenleaf's Introductory Arithmetic

Benjamin Greenleaf - 1845 - 226 σελίδες
...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 J>e the true time required. 2. John Smith owes a merchant, in Boston, $ 1000, $ 250 of which is to...

A New Practical and Theoretical Arithmetic: In which in Addition to the ...

Horatio Nelson Robinson - 1845 - 310 σελίδες
...derive the following general RULE. Multiply each payment by its time, and divide the sum of the several products by the sum of the payments, and the quotient will be the equated time for the payment of the whole. EXAMPLES. 1. 1Q600 dollars are now due, 600 dollars in 4...

Practical System of Book-keeping by Double & Single Entry

Benjamin Wood Foster - 1845 - 166 σελίδες
...debts, due at different periods of time. RULE. Multiply each amount by the time in which it is payable, and divide the sum of the products by the sum of the debts ; the quotient will be the equated time of payment EXAMPLES. 1. Bought of Silas Pierce & Co....

Mechanics for Practical Men

Alexander Jamieson - 1845 - 572 σελίδες
...the magnitude or density of each body, by its respective distance from the beginning of the system, and divide the sum of the products by the sum of the bodies for the distance of the centre of gravity sought The following examples will suffice for the...

Adam's New Arithmetic

Daniel Adams - 1845 - 272 σελίδες
...To find the mean time for several paymeats, — RULE i — Multiplyeach sum ?ty its time of paymeat, and divide the sum of the products by the sum of the paymeats, and the quotieat wlll be the answer. Note. Thia rule is founded on the supposition, that...




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