Foodmart customers regularly buy at least one of the following products: milk, chicken, or apples. 60% of shoppers buy milk, 50% buy chicken, and 45% buy apples. If 10% of the customers buy all 3 products, what percentage of Foodmart customers purchase exactly 2 of the products listed above? Pick
A)  5%	B)  10%	C)  15%	D)  35%	E)  30%
Total = n(A) + n(B) - n(Exactly 2 products) -2 (AnBnC) + Neither.   Neither is zero.   Hence 100 = 60 + 50 + 45 - n (Exactly 2 products) - 2*10   100 = 135 - n (Exactly 2 products) =&gt; n (Exactly 2 products) = 35.   Answer:  35%
<result>D</result>
Foodmart customers regularly buy at least one of the following products: milk, chicken, or apples. 60% of shoppers buy milk, 50% buy chicken, and 45% buy apples. If 10% of the customers buy all 3 products, what percentage of Foodmart customers purchase exactly 2 of the products listed above?