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Math Question..

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shyambhagwat
 Post subject: Math Question..
 Post Posted: Sat Oct 08, 2011 7:04 pm 
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Course Students


Posts: 1
Alan’s regular hourly wage is 1.5 times Barney’s regular hourly wage, but Barney gets paid at twice his regular wage for any hours he works on Saturday. Both men work an integer number of hours on any given day. If Alan and Barney each worked for the same total non-zero number of hours last week, and earned the same total in wages, which of the following must be true?

I. Alan worked fewer hours Monday through Friday than did Barney.
II. Barney worked at least one hour on Saturday.
III. Barney made more money on Saturday than did Alan.


Answer is Choice 2.

I get the reasoning approach in reaching choice 2.
Can this question be solved by using algebraic technique's/smart numbers..?
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mahajanakhil1985
 Post subject: Re: Math Question..
 Post Posted: Thu Oct 13, 2011 11:47 am 
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Students


Posts: 5
They may be other combinations too. So, reasoning seems to be be the best way to solve such questions.
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info
 Post subject: Re: Math Question..
 Post Posted: Tue Oct 18, 2011 6:28 am 
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Forum Guests


Posts: 2
This can be solved algebraically since this is an example of a work problem. However, identification of variables and proper equations must be observed to find the correct answer...
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tim
 Post subject: Re: Math Question..
 Post Posted: Wed Nov 23, 2011 1:31 pm 
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ManhattanGMAT Staff


Posts: 2242
Location: Southwest Airlines, seat 21C
I agree. Just reason your way to a correct answer. In general, memorized formulas and techniques should never replace reasoning; they should only be used to enhance the reasoning and make the solution process faster..

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Tim Sanders
Manhattan GMAT Instructor
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