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pythagoras123 Group Title

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.

  • 2 years ago
  • 2 years ago

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  1. myko Group Title
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    |dw:1334313443600:dw| this is the situation. (I guess...) Maximum value for x would be 69%. Minimum 10%

    • 2 years ago
  2. pythagoras123 Group Title
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    Strange... My model answer is 36. Sadly the model answer does not come with a solution. :(

    • 2 years ago
  3. Rohangrr Group Title
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    ya 36 will be the ans

    • 2 years ago
  4. pythagoras123 Group Title
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    @Rohangrr, how do I get 36?

    • 2 years ago
  5. Rohangrr Group Title
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    its corrrect!

    • 2 years ago
  6. pythagoras123 Group Title
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    No... 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.

    • 2 years ago
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