Sydney has a total of three hundred five pennies, nickels, dimes. she has three and a half times as many pennies as dimes and one fifth as many nickels as dimes. how many of each coin does she have?

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.