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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