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

游客2025-02-24 31

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

Thecustomeraccusedthecook______usingcannedpotatoes.A、forB、withC、ofD、a

Freshpotatoesgenerallycostabout$2fora10-poundbag,whereasdehydratedi

Itstoodtwelvefeettall,weighedninethousandpounds,andwieldedseven-inch

Ifanathletesweightdecreasedfrom160poundsto152pounds,whatwastheperc

Anantiquesdealerboughtcantiquechairsforatotalofxdollars.Thedealer

MachineA,workingaloneatitsconstantrate,producesxpoundsofpeanutbutte

Thetotalcostof8bagelsatabakeryisxdollars.Atthiscostperbagel,whi

Anantiquesdealerboughtcantiquechairsforatotalofxdollars.Thedealer

Scientistshavearguednotonlythatthechainsofatomscalledladdercompounds

Somescientistsarguethatcarboncompoundsplaysuchacentralroleinlifeon

CollegeRequiresFitnessAssessmentforFreshmenA)Duringtheir

[originaltext](5)ThedryconditionsinCaliforniaaregoodforpeoplewho

Thedrugsmust______ineverywaytothestandardssetupbythegovernment.A、co

Accordingtothenews,Rodinapartyisbecomingimportant[br][originaltext]

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①胡杨树也需要栽种它、培育它、呵护它的人 ②人留下来，沙才能退，树才能活 ③

会计法律制度具有很强的他律性，会计职业道德具有很强的自律性。()

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