An antiques dealer bought c antique chairs for a total of x dollars. The dealer sold each chair for y dollars. (a)Write an algeb

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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P = cy - x

解析

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An antiques dealer bought c antique chairs for a total of x dollars. The dealer sold each chair for y dollars. (a)Write an algeb

GRE QUANTITATIVE

GRE

Caraccidentskillmorethanonemillionpeopleandinjureapproximately50millioneachyear.【C1】______,millionsoffishcans

Threepeople,______,wereinjuredintheaccident.

Heisanhonestofficialandnever______anygiftsfrompeoplewhosoughthishelp.

Beforethejobofteachingcameintobeing,______.Weknowfromthepassagethat______.

(79)Theagriculturerevolutioninthenineteenthcenturyinvolvedtwothings:theinventionoflabor-savingmachineryandthed

Themulti-billion-dollarWesternpopmusicindustryisunderfire.ItisbeingblamedbytheUnitedNationsforthedramaticris

Humanbeingshavealwayshadanabilitytoattendtoseveralthingsatonce.(78)Noriselectronicmultitaskingentirelynew:W

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