Answer:
-0.11% a year
Explanation:
Susan's real interest rate is the nominal rate of her investment subtracted by the percentage increase in CPI.
The percentage increase in CPI for 2005 was:

Therefore, Susan's real interest rate (i) was:

Answer:
a. $7,382.40
Explanation:
With regards to the above,
Bettina Amman 's average monthly expenditure calculation is shown below;
= Total monthly expenses / Number of months
= $4,356.01 + $9,011.20 + $8,780 / 3
= $7,382.40
Therefore, Bettina Amman's average monthly expenditure is $7,382.40
What i would do is multiply the 9 cars by 4 because I need to take the 4 minutes and apply it to all the cars in front of me. 9 x 4 = 36. I calculate that I would wait 36 mins for it to be my turn.