MAT 0460 PREP FOR INTEREST Write each percentage as a decimal. 3.14% 105% Calculate each percentage. 5%% of 300 9% of 82,600 27% of 685 103% of 4250 Identity the principal P, the annual rate of interest r, the time t, and the interest earned I for each of the following simple interest examples. Suppose you borrow $875 at 4.28%, to be repaid with an Adam agrees to pay Betty $30 if she will lend him $4500 extra $149.80 after 4 years at 2% for 4 months. Identify the principal P, the annual rate of interest r, the time t, and the future value A for each of the following simple interest examples. Suppose you borrow $1250 at 5.1%% After 3 years, you must repay $1441.25. A 15 year savings bond at 4%% costs $5000. The face value of the bond is $3000. A credit card with an APR of 24%% has a balance of 5350. If this balance is not paid, It will increase to $357 on the next monthly statement [ignoring late fees]