In 1980, the cost ofp pounds of potatoes was d dollars. In 1990, the cost of 2p pounds of potatoes was d/2 dollars. By what perc

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问题 In 1980, the cost ofp pounds of potatoes was d dollars. In 1990, the cost of 2p pounds of potatoes was d/2 dollars. By what percent did the price of potatoes decrease from 1980 to 1990?

选项 A、25%
B、50%
C、75%
D、100%
E、400%

答案C

解析

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In 1980, the cost ofp pounds of potatoes was d dollars. In 1990, the cost of 2p pounds of potatoes was d/2 dollars. By what perc

GRE QUANTITATIVE

GRE

Atfirsttheinstituterefusedtopurchasethetelescope,butthisdecisionwas______revised.

Heisvery______inusingmoney.

KidsoftenaskScoutBassett,ofPalmDesert,California,ifshewishesshehadtwonormallegs.Scout,18,answers,"No.Ihave

Itcanbereallyfrustrating(使人沮丧的)foranoverweightpersontogotoagymandworkoutwithapositiveattitude.Allonehasto

Peoplesaythatmoneycannotbuyhappiness.ThiswastrueforHowardHughes.(76)Hewasoneoftherichestandmostpowerfulme

Textbookpricesaretraditionallyhigh."Combinedwiththerisingcostoftuition,thepriceofbooksforourstudentsisjust

Theunderlinedword"average"inParagraph1means______.WhichofthefollowingstatementsisTRUEaccordingtoParagraph2?

Afreightelevatorcancarryamaximumloadof1200pounds.Sean,whoweighs200pounds,isintheelevatorwithtwopackageswe

Whenpermitsforthedischargeofchemicalsintoawaterwayareissued,theyareissuedintermsofthenumberofpoundsofeach

Threeredmarblesand2whitemarblesareplacedinanemptybox.Onemarbleatatimeistobeselectedrandomlyandremovedfr

关于慢性血吸虫病虫卵结节的叙述，下列哪些是错误的?

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采集隐血实验标本时，嘱患者检查前三天禁止食用的食物包括()。

我国对进出口药品的管理是我国进出口许可管理制度的重要组成部分，下列叙述正确的是()。

关于复利现值，下列说法错误的是( )。

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