John cut a 4 ft long piece of lumber into shorter
pieces to repair his deck. He cut three pieces each 3/4
ft long and two pieces each 1/2 ft long. How much
wood did he have left?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?