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A sporting goods store estimates that 30% of the students at university play tennis and 10% play cricket. Of those who play tennis, 20% also

A sporting goods store estimates that 30% of the students at university play tennis and 10% play cricket. Of those who play tennis, 20% also play cricket.

i) What percentage of the students does not play tennis?

ii) What percentage of the students plays both tennis and cricket?

iii) What percentage of the students does not play either of these two games?

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