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NP Decimals

This topic has 4 member replies
Abdulla Master | Next Rank: 500 Posts Default Avatar
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NP Decimals

Post Fri Feb 13, 2009 8:09 pm
(0.0036)(2.8) / (0.04)(0.1)(0.003) = ?

Can someone give us a quick technique to solve this problem ??

Thanks

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Abdulla

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DanaJ Site Admin
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Post Sat Feb 14, 2009 4:41 am
Funny how I copied my own answer incorrectly....

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sureshbala Master | Next Rank: 500 Posts
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Post Sat Feb 14, 2009 4:10 am
DanaJ wrote:
Just try and eliminate step by step:
0.0036/0.1 = 0.036
0.036/0.04 = 0.9
0.09/0.003 = 30
So you're left with 30*2.8 = 28*3 = 84.
Look at the bold statement....

It has to be 0.9/0.003 = 300.

So the answer will be 300(2.8) = 840

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Bidisha800 Master | Next Rank: 500 Posts Default Avatar
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Post Fri Feb 13, 2009 11:16 pm
getting 840

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Drill baby drill !

GMATPowerPrep Test1= 740
GMATPowerPrep Test2= 760
Kaplan Diagnostic Test= 700
Kaplan Test1=600
Kalplan Test2=670
Kalplan Test3=570

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DanaJ Site Admin
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Post Fri Feb 13, 2009 10:31 pm
Just try and eliminate step by step:
0.0036/0.1 = 0.036
0.036/0.04 = 0.9
0.09/0.003 = 30
So you're left with 30*2.8 = 28*3 = 84.

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