 | Lyman Cobb - 1836 - 228 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 answer. This example may be proved by stating it differently, or by 16. $ Ui.... | |
 | 1838 - 218 σελίδες
...ounce of silver cost 72 cents; what will 3 pounds 5 ounces come to? Ans. 29 dol .52 ct. Why do you multiply the second and third terms together and divide by the first? What will 24 pounds of bacon cost at 50 ct. for every 4 pounds? Ib. Ib. ct. ct. As 4 : 24 ::50 :300... | |
 | Jason M. Mahan - 1839 - 312 σελίδες
...the second term together. It is then reduced to the Single Rule 92 DOUBLE RULE OF THREES of Three. Multiply the second and third terms together, and; divide by the first — the quotient will be the answer. Proof— As in the Single Rule of Three. Examples, 1. If 56 acres of grass be mowed... | |
 | Thomas Grainger Hall - 1840 - 266 σελίδες
...bc For ad — bc; .-. d = — , a which symbolically expresses the Rule of Three in arithmetic, viz. multiply the second and third terms together, and divide by the first. When the two mean terms of a proportion are equal, the quantities are said to be in continued proportion,... | |
 | Charles Bathurst (schoolmaster.) - 1842 - 158 σελίδες
...require it to simple fractions, and the first and second terms to fractions of the same denomination. Multiply the second and third terms together, and divide by the first, the value of the resulting fraction must then be found, in order that the answer may be exhibited in its... | |
 | Thomas Carpenter (schoolmaster.) - 1842 - 154 σελίδες
...the third term, put the least term in the second place ; put the remaining term in the first place ; multiply the second and third terms together, and divide by the first. It may be proper to observe, that it will often be necessary to reduce the terms to their lowest name,... | |
 | Osman Call - 1842 - 200 σελίδες
...remaining numbers the antecedent of the first ratio, and the smaller one the consequent of the same ratio. Multiply the second and third terms together, and divide by the first, and the quotient will be the answer. Note. — It must be remembered that the first and second terms... | |
 | John Martin (of Kincardine.) - 1843 - 120 σελίδες
...PROPORTION OF VULGAR FRACTIONS. RULE — After stating the question, as shown in Simple Proportion, multiply the second and third terms together, and divide by the first. Ex. 1. If J of a yard cost | of a pound, what will J of a yard cost ? LO, 19s. 5|d .£. Ans. 2. If... | |
 | Richard Frederick CLARKE (the Elder.) - 1844 - 194 σελίδες
...statings, 16 men ; 7 men ; ; 1 5- 12 days. 1 26 acres ; 72 acres \ \ ) By Rule 4th, Simple Proportion, multiply the second and third terms together, and divide by the first. * The method of reasoning in the Examples ¡8 the same as pursued in Simple Proportion. It may be proper... | |
 | American Institute of Instruction - 1841 - 254 σελίδες
...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... | |
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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... 
