A loan of $2880 can be repaid in 230 days by paying the principal sum borrowed plus $80 interest. What was the rate of interest charged?

Amy borrowed $7590.00 from her parents to finance a vacation. If interest was charged on the loan at 8.65 % p.a.how much interest would she have to pay in 120 days?

A loan payment of $1400.00 was due 30 days ago and another payment of $700.00 is due 70 days from now. What single payment 130 days from now will pay off the two obligations if interest is to be 4% and the agreed focal date is 130 days from now?

Use the future value formula to compute the maturity value of the following promissory note. Ignore any grace period. A 120-day note for $1371.00 with interest at 4.08% is dated December 31, 2001.

The maturity value of a seven-month promissory note issued July 31, 2017, is $3275. What is the present value of the note of the date of issue if interest is 7.75%? Ignore any grace period.