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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$jhap. 27. Barter, Tt 9§ ef ) Many more queftions m: ty he flated , end ifey; aic i #her Rules of Practice. may be thew aec ording to ‘the ofiechod of divers Auch Ors, but what f aave been de. ii’ ered here are fufficient for the prattical’ Avich thie. “# fan in ali Cafes wh atfoever, Speers Seem eee beens | CHAP. XXVIL he Rule of Barter. aL Arter, 18.4 Rule amonoft Merchants, which Gn a the } anging ot one Commodity for ano- mr) informs them fo to Proportion their. Rates as | Bit neither may fuftain log, © u = ety eae . he aoa: BD Alesse en + 2 be oO, reove -Queitions in Barter, ic will not be oye F | A thee mp < HOTA, ae : mcuit fo Mum that is acquainred with th le Gald me, or Rule of 2, jr ocing altogether ufed in re fol. ‘Mis foch Oneft: ns Be fuch Quefito: ns ; FEE ve Le i \ O ¥] Aerc hants, \ VIZ. A ips B)B 5 AYER 5 A, j’$-I4t, Of Pepper at 2/. 16.5, per C. Cotton at 9 d. perl, 1 nada ati HOW mach mnit aitoe AC } Je my > @itonB nuit give A for his Pepper ? : i BE nfvrer. oC. 1 qs. ; Birt. Gad hy tha Rule -£ F } B®) irft, Dia OY cie Rule Of 35 OF, the Rules of Pi. regoing, how much the Pepper is worth, BEC. coft 2 165. what will 13 C. 3.973. C.3q%% agi Btulwer, 38 7 17 Se ve Becondly, By rhe Be of 3 fay, if od. buy) a 7 m@iCotton, how much will 38:/..17 5, buy? AlxAver 9+ C.and fo much Cotton muft B give ro A , > 74 3 91S. r4l. of P Pepper at 21.165, per Cent. Cotton is worth 9 a. per U, K “ fe$

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