percents

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alltimeacheiver: Master | Next Rank: 500 Posts; Posts: 183; Joined: Wed Feb 09, 2011 3:08 am; Location: Delhi; Thanked: 1 times; Followed by:5 members

by alltimeacheiver » Tue May 10, 2011 5:45 am

percents?

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Source: Beat The GMAT — Data Sufficiency | Tue May 10, 2011 5:45 am

clock60: Legendary Member; Posts: 759; Joined: Mon Apr 26, 2010 10:15 am; Thanked: 85 times; Followed by:3 members

by clock60 » Tue May 10, 2011 9:21 am

hi
if i got the problem right
it is (20/100)*500+(30/100)*(800-500)=190
190/800=0,2375 and it is close to 24%
is the answer B?

abhi0697: Senior | Next Rank: 100 Posts; Posts: 57; Joined: Tue Apr 19, 2011 7:39 pm; Location: Singapore; Thanked: 6 times; Followed by:2 members