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?

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答案48 mph and 56 mph

解析

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本试题收录于： GRE QUANTITATIVE题库GRE分类

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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

Ihaveafriendwhoputhercareeronholdaftershegotmarriedandhadchildren.Shestayedathomeuntiltheoldestwasfour

Thefactoryhadto______anumberofemployeesbecauseoftheeconomiccrisisinthecountry.

Thenumberofmembersintheclub________totwohundred.

______allthemoneypeopleherespendeatingout,restaurants’profitisstillbelowfivepercent.

IntheUnitedStates,30percentoftheadultpopulationhasa"weightproblem."Tomanypeople,thecauseisobvious:theyeat

DeathValleyisoneofthemostfamousdesertsintheUnitedStates,coveringawideareawithitsalkalisand.Almost20percen

Theenvironment-friendlyflan______agoodexampleforothercompanies.

ParentstodayareAconcernedthattheirBchildrenarespendingtooCmanytimeonaDcomputerorotherelectronicdevices.

Acertainbrandofhousepaintmustbepurchasedeitherinquartsat$12eachoringallonsat$18each．Apainterneedsa3-gall

Forty-fivepercentofallblooddonatedintheUnitedStatesistypeO.TypeObloodisessentialforemergencieswherethereis

动脉导管未闭的杂音特点是

无增殖能力的血细胞是

(2011年)空气进行可逆绝热压缩，压缩比为6．5，初始温度为27℃，则终了时气体温度可达()。

关于会计核算中历史成本计量原则的说法，正确的是()。

下列各项，按规定应计入企业营业外支出的有()。

对于重要的资产负债表日后非调整事项，应披露其()。

按实施的时机划分，教学评价可以分为()

关于人民警察使用武器造成犯罪分子或者无辜人员伤亡的，下列说法正确的是：

Whydoesanewbornbabyhavetospendthefirstyearofhislifelearningtolisten?

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