Jeffrey is baking cookies for the bake sale. for his chocolate chip cookies, he will need 3 1/5 cups of flour. for his oatmeal cookies, he will need 2 3/5 cups of flour. how many cups of flour will Jeffrey need in all

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.