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This may be done, provided the terms be so placed, that the product of the extremes shall be equal to that of the means. 4. If 3 men perform a certain piece of work in 10 days, how long will it take 6 men to do the same ? The number of days in which 6...
Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ... - Página 142
por Daniel Adams - 1810 - 180 páginas
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## An Elementary Treatise on Arithmetic

Silvestre François Lacroix - 1821 - 127 páginas
...from what has been said, is, that the order of the terms of a proportion may be changed, provided they be so placed, that the product of the extremes shall be equal to that of the means. In the proportion 13: 18 : : 130 : 180, the lollowing arrangements may be made; for in each one of...
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## An Introduction to the Elements of Algebra: Designed for the Use of Those ...

Leonhard Euler, John Farrar - 1821 - 216 páginas
...from what has been said, is, that the order of the terms of a proportion may be changed, provided they be so placed, that the product of the extremes shall be equal to that of the means. In the proportion 13 : 18 : : IS0 : 180, the following arrangements may be made; 13: 13: 180: 180:...
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## An Elementary Treatise on Arithmetic: Taken Principally from the Arithmetic of

Silvestre François Lacroix - 1825 - 144 páginas
...from what has been said, is, that the order of the terms of a proportion may be changed, provided they be so placed, that the product of the extremes shall be equal to that of the means. In the proportion 13 : 18 : : 130 : 180, the following arrangements may be made; for in each one of...
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## Temple's Arithmetick: A Concise Introduction to Practical Arithmetick: in ...

Samuel Temple - 1827 - 107 páginas
...piece of ' work in 18 days, in what time •will 12 men do it ? 2. If 12 men do a piece, of work in 9 days, how long will it take 6 men to do the same work? mdamdm As 6 : 18 : : 152 As 12 : 9 : : 6 6 • 12 12)108(9 days. Ans. 6)108(18 days." ADS. 108...
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## Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1828 - 264 páginas
...require, that the order of the terms of a proportion be changed. This may be done, provided the terms be so placed, that the product of the extremes shall...The number of days in which 6 men will do the work being the term sought, the. known term of the same kind, viz. 10 days, is made the third term. The...
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## Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1828 - 264 páginas
...require, that the order of the terms of a proportion be changed. This may be done, provided the terms be so placed, that the product of the extremes shall...means. 4. If 3 men perform a certain piece of work ia 10 days, how long will it take 6 men to do the same ? The number of days in which 6 men will do...
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## Adams's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1830 - 264 páginas
...require, that the order of the terms of a proportion he changed. This may be done, provided the terms be so placed, that the product of the extremes shall...The number of days in which 6 men will do the work being the term sought, the known term of the same kind, viz. 10 days, is made the third term. The two...
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## Arithmetic: In which the Principles of Operating by Numbers are Analytically ...

Daniel Adams - 1830 - 264 páginas
...require, that the order of the terms of a proportion be changed. This may be done, provided the terms be so placed, that the product of the extremes shall...The number of days in which 6 men will do the work being the term sought, the known term of the same kind, viz. 10 days, is made the third term. The two...
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## Adam's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1831 - 264 páginas
...require, that the order of the terms of a proportion be changed. This may be done, provided the terms be so placed, that the product of the extremes shall...The number of days in which 6 men will do the work being the term sought, the known term of the same kind, viz. 10 days, is made the third term. The two...
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## Adam's New Arithmetic: Arithmetic, in which the Principles of Operating by ...

Daniel Adams - 1833 - 264 páginas
...require, that the order of the terms of a proportion be changed. This may be done, provided the terms be so placed, that the product of the extremes shall...The number of days in which 6 men will do the work being the term sought, the known term of .the same kind, viz. 10 days, is made the third term. The...
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