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A store sold 20 gift sets containing pens, pencils, and other statione
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23 Sep 2022, 04:40
23 Sep 2022, 04:40
Expert Reply
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Question Stats:
82% (01:05) correct
17% (02:55) wrong based on 17 sessions
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A store sold 20 gift sets containing pens, pencils, and other stationery. Of these, 12 contained at least one pen, 10 contained at least one pencil, and 4 contained at least one of each. How many sets contained neither a pen nor a pencil?
Show: ::
2
Part of the project: Skill Builder Project for a Q170
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GRE Math Essentials
GRE Geometry Formulas
GRE - Math Book
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GRE Math Essentials
GRE Geometry Formulas
GRE - Math Book
Re: A store sold 20 gift sets containing pens, pencils, and other statione
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26 Sep 2022, 15:22
26 Sep 2022, 15:22
Nice Problem
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Re: A store sold 20 gift sets containing pens, pencils, and other statione
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28 Sep 2022, 19:22
28 Sep 2022, 19:22
Total = A + B - Both + Neither
20 = 12 + 10 - 4 + Neither
Neither = 2
20 = 12 + 10 - 4 + Neither
Neither = 2
