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

游客2025-02-23 1

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

Inthe(11),theonlyknownway,toIndiafromEuropeinvolvedtraveling

A—TopStoriesB—E-newslettersC—CurrentSpecialD—What’sNewE—Editor’sPicksF—

男性，40岁，司机，肥胖，患痛风2年，出院后现无临床症状，血尿酸仍高，已上班。糖

低龄儿童龋是指小于几岁的儿童患龋：A.3岁 B.4岁 C.5岁 D.6岁

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