Michelle borrrows a total of $6000 in student loans from two lenders. One charges 4.1% simple interest and the other charges 5.4% simple interest. She is not required to pay off the principal or...

Michelle borrrows a total of $6000 in student loans from two lenders. One charges 4.1% simple interest and the other charges 5.4% simple interest. She is not required to pay off the principal or interest for 3 years. However, at the end of the 3 years, she will owe a total of $816 for the interest from both loans. How much did she borrow from each lender?