A New And Complete System of Arithmetick Composed for the Use of the Citizens
The book A New And Complete System of Arithmetick Composed for the Use of the Citizens was written by author Nicolas Pike Here you can read free online of A New And Complete System of Arithmetick Composed for the Use of the Citizens book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A New And Complete System of Arithmetick Composed for the Use of the Citizens a good or bad book?
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1 . D. Int. D. Int. M. Int. M. 400X6 400X6 400x6x9 As 100 : :: 400 : -j^, and as 12 :-^y - :: 9 : l^]o^, -=$lB Int. Aus. DOUBLE RULE OF THREE. 149 Examples. 1. If a principal of glOO, gain $6 interest in one year, what will ^400 gain in 9 months. Statement and Operation. D. Int. D. M. Int. M. As 100 : 6 :: 400 Or, 12 : 6 :: 9 M. M. D. 12 : :: 9 100 : :: 400. 400X6 400x6 Then 100 : 6 :: 400 : ^^^ =24. And 12 : -J^ : 9 : 18 Int. Ans. Or 12 : 24 : 9 : 18 Ans. 6X9 6X9 6X9X400 Then 12 :6::9 : — =4^ ...and 100 : -j^ ^ 400 : -j^^- = 1 8 Ans. Or 100 : 4^ : 400 : 18 Int. Ans. In this question, the answer sought is interest, and therefore $(> must be the second term. As ^400 will gain more interest in the same lime than glOO, ^^400 must be placed on the right for the third term, and glOO on the left for the first term. And as the sam>2 sum will gain more interest in 12 months than in 9 months, the 9 must be placed under the third term, and the 12 under the first term. The operation is obvious on inspecting it.
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