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geometry challenge 10 grade

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by nancyyen47 » Sat Sep 18, 2010 8:02 am
Challenge: Four cities lie along a straight highway in this order cityA,cityB,cityC,CityD the distance from city A to city B is 5 times the distance from city B to city C. the distance from cityA to City D is 2 times the distance from city A to city C, copy and complete the mileage chart
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by diebeatsthegmat » Sat Sep 18, 2010 9:28 am
nancyyen47 wrote:Challenge: Four cities lie along a straight highway in this order cityA,cityB,cityC,CityD the distance from city A to city B is 5 times the distance from city B to city C. the distance from cityA to City D is 2 times the distance from city A to city C, copy and complete the mileage chart
tobe honest, i dont understand this mathematic question
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by gmat1011 » Sun Sep 19, 2010 2:58 am
what exactly do you mean by "copy and complete the mileage chart"?

based on the info given it can be derived that C is midway between A and D... but the distances can be any values...

This is not a GMAT type question.
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by brijesh » Sun Sep 19, 2010 7:08 am
nancyyen47 wrote:Challenge: Four cities lie along a straight highway in this order cityA,cityB,cityC,CityD the distance from city A to city B is 5 times the distance from city B to city C. the distance from cityA to City D is 2 times the distance from city A to city C, copy and complete the mileage chart
AB= 5x
BC=x
CD=6x
AD=12x
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