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by Frankenstein » Mon Jun 06, 2011 10:37 am
Hi,
https://www.beatthegmat.com/gmat-prep-pr ... tml#372132
Cheers!

Things are not what they appear to be... nor are they otherwise
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by Whitney Garner » Mon Jun 06, 2011 10:38 am
divya23 wrote:+ x y z
4 1 -5 m
e 7 n 10
f 2 -4 5

find m+n

[spoiler]ans = 5[/spoiler]
Hi divya23!

The + tells us that this is an addition table - to find each entry, we sum the header entry from the corresponding row and column. For example, the first entry "inside" the table is 1, corresponding to the first row & first column, Therefore 4+x=1 so x=1-4=-3. Continue solving in this manner until you have values for m & n, then add :)

Whit
Whitney Garner
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Math is a lot like love - a simple idea that can easily get complicated :heart-eyes:
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