An antiques dealer bought c antique chairs for a total of x dollars. The dealer

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问题 An antiques dealer bought c antique chairs for a total of x dollars. The dealer sold each chair for y dollars.
(a)Write an algebraic expression for the profit, P, earned from buying and selling the chairs.
(b)Write an algebraic expression for the profit per chair.

选项

答案 (a)P = cy - x(b)Profit per chair:[*]

解析

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An antiques dealer bought c antique chairs for a total of x dollars. The dealer

Anantiquesdealerboughtcantiquechairsforatotalofxdollars.Thedealer

Abbyboughtavasefor$30andthendeterminedasellingpricethatequaledthe

Inhowmanydifferentwayscan3boysand3girlsbeseatedinarowof6chairs

Afterwinningthelottery,Johnboughtsportscars,builtamansion,andworede

Thatdealers(i)____enoughtonurtureayoungmodernpainter’scareerratherth

Thoughdealersinsistthatprofessionalartdealerscanmakemoneyintheartma

Youhaveboughtanmp3atashop.Onreachinghome,youdiscoverafaultwit

YouboughtaticketforamusicconcertYou’reunabletoattendthecon

Youwantedtohaveyourcomputerfixedbythecomputershopyouboughtitfr

YouboughtaCDplayerfromashop,butfounditdoesn’twork.Youarewriti

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WhenyoumakeyourtravelarrangementtoOxford,Ohio,youshouldmakeplans

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