a) Carrie would like to buy a boat that costs $14,300. She currently has $12,500 saved up and intends on investing this amount in an account that earns 8.5% simple interest. How long will it take for her account to reach the needed amount to purchase the boat?

b)

A student purchases a laptop by obtaining a simple interest loan. The laptop costs $2500, and the simple interest rate on the loan is 10%. If the loan is to be paid back in weekly installments over 1.5 years, calculate:

The amount of interest paid over the 1.5 years. (2 marks)

The weekly payment amount

c) A couple purchases a leather sofa set for $3800, but rather than paying in cash, the couple has decided to pay for the sofa set with equal monthly payments. This option charges 26% simple interest on the loan and requires repayment over 2.5 years. What monthly payment is required?