What is the answer A 3-pack of light bulbs costs $3.45. A 4-pack of the same light bulbs costs $4.20. Which pack has better value?

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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.