measures question

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muzali: Senior | Next Rank: 100 Posts; Posts: 95; Joined: Fri Sep 28, 2007 10:16 am; Thanked: 6 times; GMAT Score:710

by muzali » Tue Nov 25, 2008 3:03 pm

Two measure standards R and S. 24 and 30 measured with R are 42 and 60 when they are measured with S, respectively. If 100 is acquired with S, what would its value be measured with R?

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Source: Beat The GMAT — Problem Solving | Tue Nov 25, 2008 3:03 pm

cramya: Legendary Member; Posts: 2467; Joined: Thu Aug 28, 2008 6:14 pmFollowed by: 11 members; Thanked: 331 times

by cramya » Tue Nov 25, 2008 4:19 pm

I think it will be 70.

42/60 = x/100

x=70

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