1.

a group of 50 items each one is either type A or type B and is either sweet or hot. 14 are sweet items of type A, 31 are type B and 18 are hot. The number of hot items of type B is

Answer» a group of 50 items each one is either type A or type B and is either sweet or hot. 14 are sweet items of type A, 31 are type B and 18 are hot. The number of hot items of type B is


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