Two cars started from the same point and traveled on a straight course in opposite directions for exactly 2 hours, at which time

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问题 Two cars started from the same point and traveled on a straight course in opposite directions for exactly 2 hours, at which time they were 208 miles apart. If one car traveled, on average, 8 miles per hour faster than the other car, what was the average speed of each car for the 2-hour trip?

选项

答案48 mph and 56 mph

解析

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Two cars started from the same point and traveled on a straight course in opposite directions for exactly 2 hours, at which time

GRE QUANTITATIVE

GRE

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WehavequiteabitofinformationaboutancientEgyptianmedicine．Doctors’instructionshavebeenfoundtotellus【56】theydid

Inmakingmarketinvestigation,oneshould______.Allthefollowingarechannelstogetmarketinformationexcept______.

Inwhatnowseemsliketheprehistorictimesofcomputerhistory,theearlypostwarera,therewasaquitewidespreadconcernth

DeathValleyisoneofthemostfamousdesertsintheUnitedStates,coveringawideareawithitsalkalisand.Almost20percen

Duringthelastthreedecades,thenumberofpeopleparticipatinginphysicalfitnessprograms______sharply.

Thenumberofcollegegraduatesgoingintobusiness-relatedfieldshas______increased.

Longbusridesareliketelevisionshows.Theyhaveabeginning,amiddle,andanend—withcommercialsthrownineverythreeor

Yourcompanyisorganisingalanguagestudyprogram,andallparticipantsshouldgooverseastoreceivetraining.Writealetter

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