Calculate the simple interest earned on an investment of $\$5110$$5110 at $3%$3% p.a. for $8$8 years.
Give your answer to the nearest cent.
Calculate the simple interest on a loan of $\$3800$$3800 at $9%$9% p.a. for $10$10 years.
Give the answer to the nearest dollar.
Calculate the simple interest earned on an investment of $\$6350$$6350 at a rate of $6%$6% p.a. for $13$13 months.
Yvonne takes out a car loan of $\$7000$$7000 at a simple interest rate of $8%$8% p.a.
She plans to repay the loan over $4$4 years through regular monthly repayments.