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Is this problem badly written?

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Is this problem badly written? [#permalink]

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New post 15 Nov 2017, 04:59
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Hello,

This is part of a problem in one of GMAT's official books:
"Of the 84 parents who attended a meeting at a school, 35 volunteered to supervise children during the school picnic and 11 volunteered both to supervise children during the picnic and to bring refreshments to the picnic."

This is a part of the solution:
"Out of the 35 parents who agreed to supervise children during the school picnic, 11 parents are also bringing refreshments, so 35 – 11 = 24 parents are only supervising children. "

Does this make any sense? They are clearly using the word "and" which implies you would add 11 to 35 which would make 46 parents.

Thanks

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Re: Is this problem badly written? [#permalink]

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New post 15 Nov 2017, 05:05
GMATSullens wrote:
Hello,

This is part of a problem in one of GMAT's official books:
"Of the 84 parents who attended a meeting at a school, 35 volunteered to supervise children during the school picnic and 11 volunteered both to supervise children during the picnic and to bring refreshments to the picnic."

This is a part of the solution:
"Out of the 35 parents who agreed to supervise children during the school picnic, 11 parents are also bringing refreshments, so 35 – 11 = 24 parents are only supervising children. "

Does this make any sense? They are clearly using the word "and" which implies you would add 11 to 35 which would make 46 parents.

Thanks


Discussed here: https://gmatclub.com/forum/of-the-84-pa ... 35191.html

Please follow the rules when posting a question: https://gmatclub.com/forum/rules-for-po ... 33935.html Than you.
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Re: Is this problem badly written?   [#permalink] 15 Nov 2017, 05:05
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