If $\$16716$$16716 of simple interest was earned in $7$7 years, how much interest was earned each:
year?
month?
Calculate the simple interest earned on an investment of $\$2540$$2540 at $9%$9% p.a. for $2$2 years.
Give your answer to the nearest cent.
Calculate the simple interest on a loan of $\$8000$$8000 at $8%$8% p.a. for $6$6 years.
Give the answer to the nearest dollar.
Calculate the simple interest earned on an investment of $\$2010$$2010 at a rate of $6%$6% p.a. for $13$13 months.