Aaron earns a weekly salary of $350 plus 7% commission on sales.
Last week , his sales totaled $3200.
What was his total pay?

Tristian borrowed $14,500 at 7% for 5 years.
How much interest will he pay if he pays off the entire loan at the end of the 5th year?

You invest $2000 for 9 years at the rate of 9.6%.
What is the total amount in the account at the end of 9 years?