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Her monthly payment is A. about $425
What Is an Interest Rate?
The interest rate is the amount a lender charges a borrower and is a percentage of the principal—the amount loaned. The interest rate on a loan is typically noted on an annual basis known as the annual percentage rate (APR).
How does an interest rate work?
In the case of money you own, such as a savings account, interest is the amount you earn when you let someone else use or hold your funds. For example, if you borrow $5,000 at a simple interest rate of 3% for five years, you'll pay a total of $750 in interest. The formula for simple interest is A = P (1 + rt).
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