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MATH / In a class of 30 students, exactly 7 have been to Mexico and exactly 11 have been to England. Of these 30 students, 4 have been to both Mexico and England. How many students in thi…

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problem

In a class of 3030 students, exactly 77 have been to Mexico and exactly 1111 have been to England. Of these 3030 students, 44 have been to both Mexico and England. How many students in this class have not been to Mexico or England?
Plain-text mathematical notation (without MathML)
In a class of 30 students, exactly 7 have been to Mexico and exactly 11 have been to England. Of these 30 students, 4 have been to both Mexico and England. How many students in this class have not been to Mexico or England?
Original LaTeX notation
In a class of $30$ students, exactly $7$ have been to Mexico and exactly $11$ have been to England. Of these $30$ students, $4$ have been to both Mexico and England. How many students in this class have not been to Mexico or England?

level

Level 2

type

Prealgebra

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Source and history

Official source

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