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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 ... - Σελίδα 142
των Daniel Adams - 1810 - 180 σελίδες
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...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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...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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...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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