gmat prep problem

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freedsl: Junior | Next Rank: 30 Posts; Posts: 25; Joined: Wed Mar 26, 2008 10:30 am; Location: so cal

by freedsl » Sun Mar 30, 2008 10:11 pm

question from gmat prep1 first question on math section. how do you solve it!

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Source: Beat The GMAT — Problem Solving | Sun Mar 30, 2008 10:11 pm

codesnooker: Legendary Member; Posts: 543; Joined: Fri Jan 18, 2008 1:01 am; Thanked: 43 times; GMAT Score:580

by codesnooker » Sun Mar 30, 2008 10:17 pm

(1/5)^m * (1/4)^18 = (1/2)*(1/10)^35

The above equation can be reduced as
=> (1/5)^m * (1/2)^36 = (1/2)*(1/2)^35 * (1/5)^35
=> (1/5)^m * (1/2)^36 = (1/2)^36 * (1/5)^35

=> m = 35

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cjiang16: Senior | Next Rank: 100 Posts; Posts: 71; Joined: Sun Apr 06, 2008 2:24 pm; Thanked: 1 times

by cjiang16 » Mon Apr 14, 2008 4:15 pm

yes, m=35

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