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tanyajoseph: Master | Next Rank: 500 Posts; Posts: 103; Joined: Wed May 30, 2007 6:17 amFollowed by: 1 member

by tanyajoseph » Mon Aug 06, 2007 10:34 am

APpreciate all the help

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Source: Beat The GMAT — Problem Solving | Mon Aug 06, 2007 10:34 am

smushkas: Senior | Next Rank: 100 Posts; Posts: 49; Joined: Sun Jul 01, 2007 5:56 pm; Thanked: 3 times

by smushkas » Mon Aug 06, 2007 4:24 pm

To the Range:

Before range was = [max - min] = 112 - 45 = 67

After: 56 - 20 = 36 New Minimum
94 - 24 = 118 New Maximum

Then: 118 - 36 = 82

82 - 67 = 15

That is your correct answer

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smushkas: Senior | Next Rank: 100 Posts; Posts: 49; Joined: Sun Jul 01, 2007 5:56 pm; Thanked: 3 times

by smushkas » Mon Aug 06, 2007 4:26 pm

To the range 2:

Sorry made a mistake:

It should be 94 + 24 = 118

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