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 Βιβλία Βιβλία Sir," said I, after puzzling a long time over "more requiring more and less requiring less" — "will you tell me why I sometimes multiply the second and third terms together and divide by the first — and at other times multiply the first and second... Every Man His Own Teacher: Or, Lancaster's Theory of Education, Practically ... - Σελίδα 247
των John Preston - 1817 - 520 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## The Scholar's Arithmetic; Or, Federal Accountant ...: The Whole in a Form ...

Daniel Adams - 1807 - 216 σελίδες
...12 term, and 6*. of the same name with the sd term sought, the second term. 9)150)16 8 answer. 9 I MULTIPLY the second and third terms together and divide by the first. The remainder (6) I reduce to pence, and divide as before. The quotients make the answer, 16/8. 00 BY inverting... ## Logarithmick Arithmetick: Containing a New and Correct Table of Logarithms ...

1818 - 251 σελίδες
...PROPORTION BY DECIMALS. RULE. Reduce fractions to decimals, and state the question as in whole numbers ; multiply the second and third terms together, and divide by the first, and the quotient will be the answer. EXAMPLES. 1 . If f of a yard cost -£ of a pound, what will 9|.... ## A Complete System of Theoretical and Mercantile Arithmetic: Comprehending a ...

George G. Carey - 1818 - 574 σελίδες
...terms, if necessary, to simple fractions, and the first and second to the same denomination ; then multiply the second and third terms together and divide by the first, as directed in the rules of Multiplication and Division* * After any question in proportion is stated,... ## A New, Copious and Complete System of Arithmetic: For the Use of Schools and ...

James Maginness - 1821 - 372 σελίδες
...terms are homologous to one another, and also the consequents to one another. 4. Method of operation: Multiply the second and third terms together, and divide by the first.* * If it should be asked why we multiply the second and third terms of all statements in the Rule of... ## The Scholar's Arithmetic: Designed for the Use of Schools in the United States

Jacob Willetts - 1822 - 191 σελίδες
...either. 4. If the third consist of several denominations, reduce it to the lowest one mentioned. 5. Then multiply the second and third terms together, and divide by the first ; and the quotient will bfe the fourth term or answer, which will be in the same denomination as the... ## Educational Pamphlets 61: History of Education in America].

1827
...long time over " more requiring more, and less requiring less" — " will you tell me why I sometimes multiply the second and third terms together, and divide by the first — and at other times multiply the first and second, and divide by the third?" " Why because ' more... ## Cobb's Explanatory Arithmetick, Number Two: Containing the Compound Rules ...

Lyman Cobb - 1832 - 216 σελίδες
...sum than \$9 for the answer, or fourth term. Hence, this \$18 Ans. example belongs to this rule. You multiply the second and third terms together, and divide by the first, and the quotient is the ansver. This example m»y be proved by stating it differently, or by Ib. \$... ## A system of arithmetic, with the principles of logarithms

...acres Now, combining the statings, 16 men : 7 men 126 acres : 72 acres By Rule 4th, Simple Proportion, multiply the second and third terms together, and divide by the first. By actual Operation. 12 days 12 days. 72) 2d terms. 804 12 6048 3d term. 1st term 16 j 4)6048 \ 4)1512... ## Every Man His Own Teacher: Being an Introduction to Arithmetic, Whereby ...

John Preston - 1834 - 297 σελίδες
...80 :: 9 to a fourth number j That is to say, as 5 Ib. are to 80rf. ; so are 9 Ib to a fourth number. Multiply the second and third terms together and divide...in pence. Divide those pence by 12 to reduce them iuteshillings. 80 the second term. 9 the third term. First term, 5)720 12)144 pence or fourth term.... ## Rose's New Arithmetic: An Explanatory and Practical Arithmetic, Adapted to ...

John Rose - 1835 - 180 σελίδες
...likewise the two quantities in the first term together. It is then reduced to the Single Rule of Three. Multiply the second and third terms together, and divide by the first, the quotient will be the answer. PROOF — The same as in the Single Rule. EXAMPLES. 1. If a principal of \$100 gain...