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Can anyone explain how to solve this problem? I'm totally stumped. Thank you!
Target question: What is the value of xy?If wx = y, what is the value of xy?
(1) wx² = 16
(2) y = 4
Alternate approach:If wx=y, what is the value of xy?
(1) wx² = 16
(2) y = 4
How many men attended the party?Mustbeatquant wrote:Thanks for that alternative approach, Mitch. I'm a big fan of plugging in numbers for variables, but in this case I was reluctant to do so because there were three variables. Happy to see it is possible and a viable alternative to the above solution.
Quick questions: When you first saw this problem, what made you go with your approach rather than the one described by Brent. My biggest issue with quant is recognizing the skill being tested on each problem, so it'd be helpful to gain a bit of insight into your thought process.
Thanks again for your time and help!
If y = wx, then xy = wx^2.
Given : WX=YMustbeatquant wrote:If wx=y, what is the value of xy?
(1) wx² = 16
(2) y = 4