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Can anyone solve this powerprep 2 exam question?

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Can anyone solve this powerprep 2 exam question? [#permalink] New post 26 Oct 2017, 00:14
Please refer to the image attached.
Here rounded to nearest 3 means x can be 2.6 to 3.4 right?
Then number of people can be 29.9 to 39.10 right?
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Re: Can anyone solve this powerprep 2 exam question? [#permalink] New post 26 Oct 2017, 01:38
Here you can find al PowerPrep questions solved and explained http://greprepclub.com/forum/powerprep-software-all-questions-explained-3118.html
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Re: Can anyone solve this powerprep 2 exam question? [#permalink] New post 01 Nov 2017, 09:13
Expert's post
Here is the exact link for the question: a-survey-asked-1-150-people-to-choose-their-favorite-laundry-3390.html
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Re: Can anyone solve this powerprep 2 exam question?   [#permalink] 01 Nov 2017, 09:13
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