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In survey of 250 Europeans
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x509
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Joined: 05 Jul 2018
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In survey of 250 Europeans [#permalink] New post  05 Jul 2018, 08:15
1
previously, when i was trying to solve simlar questions, I was making a rectactle something like this



__________|___________|___________|_______
event 1 | | |
----------------------------------------
event 2 | | |
-----------------------------------------
| | |


But i am unable to make this work for the following question


In a survey of 250 european travelers, 93 have traveled to Africa, 155 have traveled to asia and of these two groups, 70 have traveled to both continents

How can i represent this in this table?
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Re: In survey of 250 Europeans [#permalink] New post  06 Jul 2018, 10:54
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In this such case, you do not need a diagram but a simple formula.

93 for Africa + 155 for Asia - Neither of both + 70 Both = 250

Then you calculate based on the question asks you.

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Re: In survey of 250 Europeans [#permalink] New post  06 Jul 2018, 11:37
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x509 wrote:
previously, when i was trying to solve simlar questions, I was making a rectactle something like this



__________|___________|___________|_______
event 1 | | |
----------------------------------------
event 2 | | |
-----------------------------------------
| | |


But i am unable to make this work for the following question


In a survey of 250 european travelers, 93 have traveled to Africa, 155 have traveled to asia and of these two groups, 70 have traveled to both continents

How can i represent this in this table?




Hi,

Can I request you to post the full question - as this will help the forum. Moreover kindly look for the relevant group before posting.
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