There are 75 students in the Travel Club.
27 members have visited Mexico
34 have visited Canada
12 have been to England
18 have visited both Mexico and Canada
6 have been only to England
8 have been only to Mexico.
Some club members have not been to any of the 3 countries.
An equal number have been to all 3 countries.
a) How many students have been to all three countries?
b) How many students have been only to Canada?
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