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pythagoras123

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

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

  3. Rohangrr
    • 4 years ago
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    ya 36 will be the ans

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

  5. Rohangrr
    • 4 years ago
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    its corrrect!

  6. pythagoras123
    • 4 years ago
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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.

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