So alex is selling a very rare spice that costs $100 per gram. someone wants to buy $80 worth of the spice. how much spice (in grams) does alex give him?

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.