Question

Randall bought a bond with a face value of $6000 and a coupon rate of 7.25%. The bond will mature in 5 years.

How much interest will he receive semiannually

Answer 1

Total = Principal * (1+rate)^years
Total = 6,000 * 1.0725^5
Total = 6,000 * 1.4190134251
Total = 8,514.08
For compounded interest, the formula is

If compounded semi-annualy the rate is:
Total = Principal * (1+rate/n)^n*years
where n is the number of compounding periods which for semi annual means two.
Total = 6,000 * (1+.0725/2)^2*5
Total = 6,000 * (1.03625)^10
Total = 6,000 * 1.4277278645
Total = 8,566.37

Perhaps you meant the interest received every 6 months
5 year interest = 2,514.08
every 6 months = 2,514.08 = 251.41