SOLUTION: Your favorite restaurant offers a total of 13 desserts, of which 11 have ice cream as a main ingredient and 9 have fruit as a main ingredient. Assuming that all of them have either

Question 370619: Your favorite restaurant offers a total of 13 desserts, of which 11 have ice cream as a main ingredient and 9 have fruit as a main ingredient. Assuming that all of them have either ice cream or fruit or both as a main ingredient, how many have both?
Answer by amoresroy(361) (Show Source): You can put this solution on YOUR website!
Let x = the number of desserts which have both ice cream and fruit
11 + 9 - x = 13
x = 7
The are 7 desserts which have both ice cream and fruit
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