GMAT Prep PS question

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arawamis: Junior | Next Rank: 30 Posts; Posts: 15; Joined: Tue Sep 25, 2007 7:02 pm; Thanked: 4 times

by arawamis » Sun Feb 10, 2008 2:02 pm

Please somebody explain me this question and its answer. It is either me or the english in the question. I do not get it. What does "100 units of Country R's currency mean"?

Thanks,

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Source: Beat The GMAT — Problem Solving | Sun Feb 10, 2008 2:02 pm

gmatguy16: Master | Next Rank: 500 Posts; Posts: 124; Joined: Thu Aug 23, 2007 5:11 am; Thanked: 2 times

by gmatguy16 » Sun Feb 10, 2008 5:50 pm

Arithmetic mean =(100+I/100)/2..
Adding 2 percent of income we get 2I/100+((100+I/100)/2)
= 50+I/40..
yea agree wordings are a little tricky

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