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Mathematics, 15.10.2020 23:01 giovney

50 people were asked if they had ever been to Mauritius or the Seychelles on holiday. 11 had been to Mauritius, 7 had been to the Seychelles and 35 had been to neither.
How many had been to both?

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50 people were asked if they had ever been to Mauritius or the Seychelles on holiday. 11 had been t...
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