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by Night reader » Sat Mar 12, 2011 2:20 pm
462/tank - 336/tank = 6, tank=21; travel in the city --> 336/21=16

IOM b
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by GMATGuruNY » Sat Mar 12, 2011 2:37 pm
garuhape wrote:Hey Guys,

I got a problem on this one. Can someone help please!

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We can plug in the answers, which represent the miles per gallon in the city:

Answer choice C: 21 miles per gallon in the city, 27 miles per gallon on the highway
336/21 = 16 gallons in the tank.
16*27 = 432 miles traveled on the highway.
Doesn't work, since 462 miles need to be traveled on the highway.
Eliminate C.

Answer choice B: 16 miles per gallon in the city, 22 miles per gallon on the highway
336/16 = 21 gallons in the tank.
21*22 = 462 miles traveled on the highway.
Success!

The correct answer is B.
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