Nicole will be starting university next fall. She wishes to invest 7000 saved from her summer job. Her bank offers 2.75% for a one-year term investment or 2.6% for a six-month term, followed by 2.9% for a second six-month term. Help Nicole investigate her options.

How much will Nicole receive after one year if she invests at the one-year rate?

How much will Nicole receive after one year if she invests for six months at a time at 2.6% and then 2.9%?

What would the one-year rate have to be to yield the same amount of interest as the investment in part (b)?

Macs line of credit statement included 360 in cash advances and 3.20 in interest charges. The interest rate on the statement was 13.5%. For how many days was Mac charged interest?