Andrea bought some clothing on a department store credit card. Her total came to $250. She qualified for interest-free financing. She made a first payment of $35 and agreed to pay $25 twice a month until the $250 balance was paid. How long will it take for Andrea to pay off her bill?

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.