A biologist finds that she can perfectly model the population growth G of a bacteria colony after n days using the function g=5,000((1+b/50)^n -1), where b represents the colony's birth rate in cells per day. If the biologist takes this birth rate to be a fixed value, is the rate greater than 100 c...

If a, b, c, and d are positive integers, is a/b > c/d? (1) a > c. (2) b > d. Kindly check out the below link for video solution: http://www.youtube.com/watch?v=hEtUJyVs-KY _____________________________________________________ I2-Infiniti Education GMAT Classes in Singapore www.i2-infiniti.com

IMO E as the arguments states that the domestic wheat price in free-trading country will increase regardless of how much wheat that country imports. This suggests that to reduce the long term economic impact on that nation, switching to alternative grains is the best solution.

IMO C

as this clearly states that why natural food protein source is better than protein powders.

x>1 and x>-1 => In both cases, x>1

So IMO it should be C where it says x>2.

It goes like "city council members in small towns are intimately acquainted with the public they serve" and "acquaintance with public creates difficulty for city council members", and hence conclusion: "city council members in small towns have a more difficult job than city ...

IMO D

Question assumes that only United States is responsible for the artificially low global price of wheat. D says that if Canada and Russia, can produce more wheat then the it weakens the argument that it is not only United States that can control wheat price in the global market.