there are 100 coins divided into 10 stacks, with 10 coins in each stack. there are 90 genuine coins and 10 fake coins. a genuine coin weighs 2 ounces and a fake coin weighs 1 ounce. the 10 fake coins are contained in one of the stacks. you have a scale with which you can weigh any number of coins. using only one weighing, describe how you would determine which stack contains the fake coins.
