Yet an other Branch or Proofe of the first Question.
If — 10 yeardes be deliuered for —
The grounde of artes teaching the perfect vvorke and practise of arithmetike, both in whole nu[m]bers and fractions, after a more easie ane exact sort, than hitherto hath bene set forth. Made by M. Robert Recorde, D. in Physick, and afterwards augmented by M. Iohn Dee. And now lately diligently corrected, [and] beautified with some new rules and necessarie additions: and further endowed with a thirde part, of rules of practize, abridged into a briefer methode than hitherto hath bene published: with diverse such necessary rules, as are incident to the trade of merchandize. Whereunto are also added diuers tables [and] instructions ... By Iohn Mellis of Southwark, scholemaster.
About this Item
- Title
- The grounde of artes teaching the perfect vvorke and practise of arithmetike, both in whole nu[m]bers and fractions, after a more easie ane exact sort, than hitherto hath bene set forth. Made by M. Robert Recorde, D. in Physick, and afterwards augmented by M. Iohn Dee. And now lately diligently corrected, [and] beautified with some new rules and necessarie additions: and further endowed with a thirde part, of rules of practize, abridged into a briefer methode than hitherto hath bene published: with diverse such necessary rules, as are incident to the trade of merchandize. Whereunto are also added diuers tables [and] instructions ... By Iohn Mellis of Southwark, scholemaster.
- Author
- Record, Robert, 1510?-1558.
- Publication
- [London] :: Imprinted by I. Harrison, and H. Bynneman,
- Anno Dom. 1582.
- Rights/Permissions
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- Subject terms
- Arithmetic -- Early works to 1900.
- Link to this Item
-
http://name.umdl.umich.edu/A10530.0001.001
- Cite this Item
-
"The grounde of artes teaching the perfect vvorke and practise of arithmetike, both in whole nu[m]bers and fractions, after a more easie ane exact sort, than hitherto hath bene set forth. Made by M. Robert Recorde, D. in Physick, and afterwards augmented by M. Iohn Dee. And now lately diligently corrected, [and] beautified with some new rules and necessarie additions: and further endowed with a thirde part, of rules of practize, abridged into a briefer methode than hitherto hath bene published: with diverse such necessary rules, as are incident to the trade of merchandize. Whereunto are also added diuers tables [and] instructions ... By Iohn Mellis of Southwark, scholemaster." In the digital collection Early English Books Online 2. https://name.umdl.umich.edu/A10530.0001.001. University of Michigan Library Digital Collections. Accessed June 15, 2024.
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Page [unnumbered]
15 lb 8 — 9 wherevpon was gained after ye rate of 8 lb — 6 s — 8 d vpon the 100 lb: the question is, what the yeard did coste at the first hande.
Answere, first say by the Rule of thrée, if 10 with principall and gaine yéelde 15 lb — 8 ¾, what shal 1 yéelde? Multiplie and di∣uide, and you shall finde 30 ⅞ s: Then saye againe by the Rule of thrée: If 108 ⅓ princi∣pall and gaine giue but 100: what shall 30 ⅞ s of principall and gaine yéelde: work, and you shall finde 28 ½ s: And so muche did the yeard cost at the firste penny.
If one yeard cost 36 s how much shall 12 yeardes be solde for to gaine after the rate of 10 lb in the 100 lb.
Answere, Firste say, if 100 giue 110 lb principall and gaine, what will 26 s giue? Multiply and diuide, and you shal find 39 ⅗ s Then saye againe by the rule of thrée: If 1 yeard of principall and gaine yéelde 39 ⅗ s, what shall 12 yeards gaine? Multiplie, and diuide, and you shall finde 23 lb — 15 ⅕ s, which ⅕ s is 2 ⅖ d: And for the same price shall the 12 yeards be sold, to gaine after the rate of 10 in the 100.
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The Proofe.
If 12 yeards be solde for 23 lb — 15 s — 2 ⅖ d wherevpon is gained after 10 lb in the 100 lb: The question is, what the yeard cost at the first peny?
Answere. First say, if 12 giue 23 lb — 15 ⅕ s, what 1 yeard? Multiplie and diuide, and you shall finde 39 ⅗ s: Then saye againe by the Rule of thrée: if 110 lb giue but 100, what shall 39 ⅗ giue: worke and you shall finde 36 s, the iuste price of the yeard at the firste hand.
Itē, when one Merchant selleth wares to another, and he giueth to the buyer 1 lb — 6 s — 8 d vpon the score, or 20 lb: The question is, howe muche shall the buyer gaine vppon the 100 lb after that rate.
Answere. Firste adde 1 lb — 6 s — 8 d vnto 20 lb, and they are 21 ⅓: Then say, if 20 lb giue 21 ⅓, what shall 100 giue: multi∣plie and diuide, and you shall finde 106 ••/3: So
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the buyer getteth after the rate of 6 ⅔ lb vpon the 100 lb.
Gentle Reader other necessarie questions appertaining to Losse and Gaine, you shall haue in the seauenth Chapiter of this Trea∣tise.