Mrs. Henry is buying presents for her six children to give to each other. Each child gives one present to each of the others. How many presents does she buy?A6B25C39D36ENone of the above
Question
Mrs. Henry is buying presents for her six children to give to each other. Each child gives one present to each of the others. How many presents does she buy?A6B25C39D36ENone of the above
Solution
Mrs. Henry has six children. Each child gives a present to each of the other children, not to themselves. So, each child will give 5 presents (6-1=5). Since there are 6 children, the total number of presents Mrs. Henry needs to buy is 6 children * 5 presents = 30 presents. So, the answer is None of the above.
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