# The Young Mathematician's Guide; Being a Plain and Easy Introduction to the Mathematicks with an Appendix of Practical Gauging

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## Description

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1771 edition. Excerpt: ...following Theorems are easily deduced, A A--P Theorem 2. = P. Theorems----R. tR+i tP Theorem 4.--f = /. RP These four Theorems resolve all Questions about Simple Interest. Sthteflion 1. IVhat will 256/. 10 s. amount to in 3 Tears, one starter, 2 Months, and 18 Days, at 5 per Cent, per Annum? Here is given P--256,51 R =. 0,05; and /--3,46599 For 3 years = 3 Quaere A. per Theorem j. One Quarter--0,25 1 Months =0,16667--0,08333 x 2 18 Days = 0,04932 = 0,00274 x 18 Hence t == 3,46599: x 0,05 = 0,1732995 = t R Then 0,1732995 x 256,5 = 44,4513217 = tRP ArJ 44,4513217 + 256,5--300,9513217--t R P-f-P =J. That is 300,9513217 = 300/. 19 s. od. being he Answer required. Questm Question 2. What Principal or Sum, being put to Interest, will raise a Stock of 300I. 19 s. o d. in three Years, one Quarter, two Months, and 18 Days; at 5 per Cent, per Annum? Or the fame Question otherwise slated thus. IVbat is 300 1. 19 s. O d. due 3 Years, one Quarter, 2 Months and 18 Days hence, worth in ready Money; abating or discounting 5 per Cent. &c. Here is given A--300,9513217; R = 0,05; t--3,46599 (found as before) thence to find P. Per Theorem 2. First 3,46599 x 0,05 0,1732995 = t R. Then / R 4-1 = 1.173995) 3095l&l7--A (2565 = pi 'hat is, 256,5 = 256/. I Of. the Answer required. - Question 3. At what Rate or Interest per Cent. &c. will 256 J. 10 s. amount to 3001. 19 s. od. in three Years, one Quarter, two Months, and 18 Days? Here is given, P= 256,5;, /= 300,9513217; andf=3,46599 to find R. Per Theorem 3. First 300,9513217--256,5 = 44,4513217=--P. Next 3,46599 x 256,5--889,026435--t P. And / P--889,026435) 44,4513217 (0,05 = the Ratio. Then I /..: 0,05:: 100: 5 t= the Rate required. Question In what Time will 256 1. 10 s. raise a Stock of (tr amount..show more

## Product details

• Paperback | 116 pages
• 189 x 246 x 6mm | 222g
• Miami Fl, United States
• English
• black & white illustrations
• 1236560140
• 9781236560148