You can only move forward 5 and backward 2 and 6. if you start at 2 and want to get to 24, what's the least possible number of moves you need.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?