Cocker's Arithmetick: being a plain and familiar method suitable to the meanest capacity, for the full understanding of that incomparable art, as it is now taught by the ablest school-masters in city and country ... / By Edward Cocker, late practicioner [!] in the arts of writing, artihmetick, and engraving. Being that so long since promised to the world. Perused and published by John Hawkins, writing-master near St. George's church in Southwark, by the author's correct copy, and recommended to the world by many eminent mathematicians and writing-masters in and near London.

Edward Cocker

Date:: 1697

Credit: Cocker's Arithmetick: being a plain and familiar method suitable to the meanest capacity, for the full understanding of that incomparable art, as it is now taught by the ablest school-masters in city and country ... / By Edward Cocker, late practicioner [!] in the arts of writing, artihmetick, and engraving. Being that so long since promised to the world. Perused and published by John Hawkins, writing-master near St. George's church in Southwark, by the author's correct copy, and recommended to the world by many eminent mathematicians and writing-masters in and near London. Source: Wellcome Collection.

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‘Chap. 30. Exchange. fas And by. the Xenour of the Queftion we fee pli 207 iad hat , p sacl gat Venice make 342 fhill ings at Bru/ [Tels therefore 240 d.at London. are equal to 34-5. at Bruel: i for the thit ngs that are equal to one and the fame thing irre alfo equal to one another) wherefore we haye a is ay laid open tO gy ea folution to this Queftion by another Sin ele Rule of pe whofe proportion is, : fhillings at Bruf]' Is isto. 240 pence at Loge Non, fo. is .138 fill. at B; ‘affils to 960 pence at Loxdor, ge ch is the Anf{wer to the Queftion. ' { , AS 34 An Example of the fecond Cale may be thus, VA.L, We Quelt. c.f 40 L. Averdupois weight at Loxdon is equal dro 261. weight.at Amfterdam, at ad 90 1. at. Am[terdam makes 1161, at Dantzick then how many pounds at Dantzisk. are equal to 1121. of Averdupois weight ac Lendox ? Anfwer, 12924 pounds at Dantzick. This Que (tion. is likewife an(wered. at two-fingle Rules of Three, viz. Firit, I fay, As 261, he An bil is to be !, at Lond. Sos 9S of. ar Amfter dam to 100 Lat Lond... and by the Queftion you find that 90 /.atAmterdam 35 216 Lede Dantzick, and chet ‘efor e 100 fi at Lendon is al HiKE Whe € val therent 0, whe se, re again, i fay, £3 100 /, at Le Aye ig LO TLO4. at Dantzice, | Sods 1a2-J. at Lond.to 129$45., ac Drartzicks . By which. o 1 ch £1222/., at Dantzick are equal d tO 112 ly Ave 6% 0 Loud. 4 5° incre i6,4d more Abt edy yay tof efoly e fuch Q: le | fiions as are contained unger the rwor Cafes | ati ree § nycntioned, laid down by Mr, {cer} fy inthe third chines ter of Kis Appt ‘ix to: Mr, Wingate s Arithmerick ‘ yx he | ath Piven two Ri les for the Refolution of | the Queliions pertinent ro che two faid Cafes. S| 6. Baril fhalllay down a general Rule for the:folu- i ton of boch Cafes;. and firft, lec the Learner obferve : tty wine Directions 10 3 wlacin 12 of the Pa e given cerms, Vs Let.

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