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VIC Strategy, Pg 117 Percent VIC Eg.

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saurabhbanerjeeiimk
 Post subject: VIC Strategy, Pg 117 Percent VIC Eg.
 Post Posted: Fri Nov 11, 2011 4:03 am 
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Students


Posts: 24
I tried to solve the example using the algebra method, however got a different answer as follows

(100Z- ZY)/X

After going through the explanation, I tried to switch sides in the equation, and got the answer which matches the one given in the answer choice.

Does it imply that the final answer to an algebric expression could be different but have the same meaning, or did I solve it incorrectly?
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saurabhbanerjeeiimk
 Post subject: Re: VIC Strategy, Pg 117 Percent VIC Eg.
 Post Posted: Fri Nov 18, 2011 5:54 am 
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Students


Posts: 24
Just to provide additional information, the book explains it by writing "XY/100 + ZY/100= Z" instead of the way I solved it, which was "XY = 100Z - YZ"

As a result the answer I got as compared to the book was different.

While the book gives an answer in the format " Y = 100Z/X+Y "

Please find below the solution I gave

XY/100 = Z- ZY/100
XY= 100Z - ZY
Y = (100Z-ZY)/X
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tim
 Post subject: Re: VIC Strategy, Pg 117 Percent VIC Eg.
 Post Posted: Wed Dec 07, 2011 3:14 pm 
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ManhattanGMAT Staff


Posts: 2242
Location: Southwest Airlines, seat 21C
sorry, no one is going to answer this question for you here because you have posted in the wrong forum. this is the verbal strategy guide forum, and you have not asked a question that is relevant to our verbal strategy guides..

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Tim Sanders
Manhattan GMAT Instructor
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