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pythagoras123
 3 years ago
A language school has 100 pupils in which 69% of the pupils study French, 79% study German, 89% study Japanese and 99% study English. Given that at least x% of the students study all four languages, find the value of x.
pythagoras123
 3 years ago
A language school has 100 pupils in which 69% of the pupils study French, 79% study German, 89% study Japanese and 99% study English. Given that at least x% of the students study all four languages, find the value of x.

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myko
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1334313443600:dw this is the situation. (I guess...) Maximum value for x would be 69%. Minimum 10%

pythagoras123
 3 years ago
Best ResponseYou've already chosen the best response.0Strange... My model answer is 36. Sadly the model answer does not come with a solution. :(

pythagoras123
 3 years ago
Best ResponseYou've already chosen the best response.0@Rohangrr, how do I get 36?

pythagoras123
 3 years ago
Best ResponseYou've already chosen the best response.0No... This question was taken from a book. The book provides an answer but doesn't provide a solution, meaning that I still don't know how to do the question.
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