GMAT Prep Question

jayhawk2001: Community Manager; Posts: 789; Joined: Sun Jan 28, 2007 3:51 pm; Location: Silicon valley, California; Thanked: 30 times; Followed by:1 members

by jayhawk2001 » Sun Apr 08, 2007 9:20 am

If all 10 of the voting districts have a difference of 10% with the least
populated voting district, we will get the least value for the latter.

Let x be the population of of the least pop voting district. The pop of the
other districts are 10% higher i.e. 1.1x

x + 10 * 1.1x = 132000
12x = 132000
x = 11000

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