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

游客2024-01-12 37

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. [br]

选项

答案 P = cy - x

解析

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

Astorebought5dozenlampsat＄30perdozenandsoldthemallat＄15perlamp．

Inanauditorium，360chairsaretobesetupinarectangulararrangementwithX

OutofAmerica’sfascinationwithallthingsantiquehavegrownamarketforbyg

Ms.Rogersboughtanelectricrangeontheinstallmentplan.Thecashpriceoft

Ifppencilscostccents,howmanycanbeboughtforddollars?[img]2012q1/ct_e

In1980,thecostofppoundsofpotatoeswasddollars.In1990,thecostof2p

LastyearLeoboughttwopaintings.Thisyearhesoldthemfor$2000each.Onon

Acardealerreceivedashipmentofcars,halfofwhichwereblack,withtherem

Anantiquesdealerboughtcantiquechairsforatotalofxdollars.Thedealer

Anantiquesdealerboughtcantiquechairsforatotalofxdollars.Thedealer

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[originaltext]M：Willyoubehereat10：00?W：No，I’llbethirtyminuteslater．Q

Theywereangrybecauseyou_______yourpromise.A、didn’tkeepB、havenotkeptC、

[originaltext]Wemaythinkthatanamusementparkisdesignedandsetupon

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1860年天津被辟为通商口岸后，天津成为当时中国第三大工商业城市和北方最大的金融

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