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" Multiply the first and second terms together, and divide the product by the third ; the quotient will be the answer in the same denomination as the middle term was reduced into. "
Every Man His Own Teacher: Or, Lancaster's Theory of Education, Practically ... - Σελίδα 253
των John Preston - 1817 - 520 σελίδες
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A Complete Treatise on the Mensuration of Timber: Containing, Besides All ...

James Thompson - 1805 - 87 σελίδες
...and reduce the terms as in the rule of three direct in decimals, then multiply the firft and fecond terms together, and divide the product by the third, the quotient •will be the anfwer. EXAMPLE. What length of a board 9 inches broad will make a fquare foot, or as much as 1 foot...

The New Complete System of Arithmetick: Composed for the Use of the Citizens ...

Nicolas Pike - 1807 - 352 σελίδες
...which one wi.uld perform the work ; iherefotv, 8 men will do :t in cigluh part of the time, or 6 days, terms together, and divide the product by the third ; the quotient will be the anfwer, in the fame denomination as the middle term was reduced into. If there be fractions in your...

The American Tutor's Guide: Being a Compendium of Arithmetic. In Six Parts ...

James Thompson - 1808 - 172 σελίδες
...less requires more. RULE.— As in the Rule of Three Direct, state and prepare the question ; then multiply the first and second terms tog-ether, and...the product by the third. The quotient will be the answer in the name, or denomination ofthe second. EXAMPLES. 1. A captain of a ship, being provided...

Carleton's Compendium of Practical Arithmetic: Applied to the Federal and ...

Osgood Carleton - 1810 - 251 σελίδες
...more ; after stating the terms as directed in Direct Proportion. Multiply the first and second teems together, and divide the product by the third, the quotient will be the fourth term or answer. The proof of examples in this, is the same as in Direct Proportion. JVvfE. If there are several denominations...

The Teachers Assistant. Or, A System of Practical Arithmetic: Wherein the ...

1811 - 198 σελίδες
...for the sugar ? Ans. 43gyb. INVERSE PROPORTION. RULE. Prepare the terms as in Direct Proportion, then multiply the first and second terms together, and divide the product by the third. Or, • Invert the third term, and multiply the three terms together as in Multiplication. / , , EXAMPLES....

A System of Practical Arithmetic: Applicable to the Present State of Trade ...

Jeremiah Joyce - 1812 - 258 σελίδες
...first does to the third. RULE. State tin: question, and, when necessary, reduce the terms as before. Multiply the first and second terms together, and divide the product by the third term; the quotient is the answer in the same denomination as the second term ; thus in the foregoing...

The American Arithmetic: Adapted to the Currency of the United States ...

Oliver Welch - 1812 - 231 σελίδες
...other remaining number must be the middle term : then multiply the first and second terms togeth* er, and divide the product by the third ; the quotient will be the answer required. 1. If 8 men can build a tower in la days ; I demand how long it would take them, if...

Easy Introduction to Mathematics, Τόμος 1

Charles Butler - 1814
...than the second. 135. RULE I. State the question, and reduce the term as in the foregoing rule. II. Multiply the first and second terms together, and...the product by the third ; the quotient will be the answer in the same denomination the second term was left in m. Method of proof. Reverse the question...

The American Arithmetic: Adapted to the Currency of the United States; to ...

Oliver Welch - 1857 - 228 σελίδες
...which is of the same name, the first term ; and the other remaining number must be the middle term ; multiply the first and second terms together, and...the product by the third ; the quotient will be the answer required.* Examples. ' 1. If 8 men can build a tower in 12 days ; I demand how long it would...

Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain ...

Nathan Daboll - 1815 - 240 σελίδες
...belongs to Inverse Proportion. RULE. ' 1 State and reduce the terms as in the Rule of Three Direct. 2. Multiply the first and second terms together^ and...the product by the third ; the quotient will be the Answer in the same denomination as the middle term was reduced into. \ ' EXAMPLE8. 1. If 12 men can...




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