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If 2 out of 5 people prefer Columbia brand coats to REI brand coats, in a group of 45 friends how many prefer Columbia brand coats?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.