Martina's grandparents paid for the first 3 years of her college costs. As a senior, she was approved for a federal unsubsidized loan in the amount of $9,300 at a 4.29% interest rate for 10 years.
a. If she chooses to make interest-only payments until the monthly loan payments are due, for how long will she be making
interest-only payments? Express as a decimal (in years).