Example.
A, B, C and D make a Stock of 20 Pound, in which A hath 5 Pound, which is ¼,
| l. | |
| A | 5 |
| B | 10 |
| C | 3 |
| D | 2 |
| 20 |
Chamberlain's Arithmetick being a plain and easie explanation of the most useful and necessary art of arithmetick in whole numbers and fractions, that the meanest capacity may obtain the knowledge thereof in a very short time : whereunto are added many rules and tables of interest, rebate, purchases, gaging of cask, and extraction of the square and cube roots / composed by Robert Chamberlain, accomptant and practitioner in the mathematicks.
About this Item
- Title
- Chamberlain's Arithmetick being a plain and easie explanation of the most useful and necessary art of arithmetick in whole numbers and fractions, that the meanest capacity may obtain the knowledge thereof in a very short time : whereunto are added many rules and tables of interest, rebate, purchases, gaging of cask, and extraction of the square and cube roots / composed by Robert Chamberlain, accomptant and practitioner in the mathematicks.
- Author
- Chamberlain, Robert, fl. 1678-1679.
- Publication
- London :: Printed for John Clark ...,
- 1679.
- Rights/Permissions
-
To the extent possible under law, the Text Creation Partnership has waived all copyright and related or neighboring rights to this keyboarded and encoded edition of the work described above, according to the terms of the CC0 1.0 Public Domain Dedication (http://creativecommons.org/publicdomain/zero/1.0/). This waiver does not extend to any page images or other supplementary files associated with this work, which may be protected by copyright or other license restrictions. Please go to http://www.textcreationpartnership.org/ for more information.
- Subject terms
- Mathematics -- Early works to 1800.
- Link to this Item
-
http://name.umdl.umich.edu/A31565.0001.001
- Cite this Item
-
"Chamberlain's Arithmetick being a plain and easie explanation of the most useful and necessary art of arithmetick in whole numbers and fractions, that the meanest capacity may obtain the knowledge thereof in a very short time : whereunto are added many rules and tables of interest, rebate, purchases, gaging of cask, and extraction of the square and cube roots / composed by Robert Chamberlain, accomptant and practitioner in the mathematicks." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A31565.0001.001. University of Michigan Library Digital Collections. Accessed April 29, 2025.
Pages
Page 237
2/20. By this 20 Pound they do gain 7 l. which makes the Stock 27 Pound; now that person that hath ¼ in the first Stock, must also have 1/•• of the profit, which is 1 l. 15 s. and he that hath ½ of the first Stock must have ½ of the Profit which is 3 l. 10 s. and he that hath and he that hath 3/20 of the first Stock must likewise have 3/20 of the profit, which is 1 l. 1 s. and he that hath 2/20 of the first Stock must have 2/20 of the profit, which is 14 s. as you see.
| Stock. | Profit. | ||
| A | 1/•• | 5 | 1 15 |
| B | ½ | 10 | 3 10 |
| C | 3/20 | 3 | 1 01 |
| D | 2/20 | 2 | 14 |
| 20 | 7 |
Now to find out each mans several share in the profit or loss, you must collect the several Sums paid into Stock together, and by addition find their Sum, then by the Rule say, As the Sum of the several part∣ners shares is to the profit or loss, so is each mans particular share in Stock to his particular share in the profit or loss, and
Page 238
as many shares as the principal Stock doth contain, so many Operations will there be of the Rule of Three, the fourth propor∣tional of each Operation being the respe∣ctive share in the profit or loss, belonging to that share of the Stock, which is the third number in the same Operation.