Two boats leave the shore at the same time to take supplies to neighboring islands. One of the boats returns every 45 minutes. The other boat returns every hour. How long will it take for the two boats to return at the same time?
How much would you need to deposit in an account now in order to have $5000 in the account in 10 years? Assume the account earns 7% interest compounded monthly. Round to the nearest cent.
