Asporting goods store sells 2 fishing reels and 14 fishing rods for $280 and 2 fishing reel and 4 fishing rods for $120.find the price for each item

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?