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" Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit. "
Introduction to arithmetic - Σελίδα 114
των Chambers W. and R., ltd - 1854
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The Youth's Assistant in Theoretick and Practical Arithmetic

Zadock Thompson - 1826 - 164 σελίδες
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Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

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

Daniel Adams - 1828 - 264 σελίδες
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A Short System of Practical Arithmetic: Compiled from the Best Authorities ...

William Kinne - 1829
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The Practical Arithmetic: In which the Principles of Operating by Numbers ...

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...To 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...

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

Daniel Adams - 1830 - 264 σελίδες
...To 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...

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

Daniel Adams - 1831 - 264 σελίδες
...To 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...

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Zadock Thompson - 1832 - 168 σελίδες
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