Anna's tips

ALWAYS be sure to check your receipts for credit card information on them. Note: it is usually going to be a small mom-and-pop restaurant that will do this. The big chains almost never put your credit card information on them in full. They will usually put something like: XXXXXXXXX1234.

Here is an example of what you should cross out if you see:

SOLUTION:

The Rule of 72 says that to find the number of years required to double your money at a given interest rate, you just divide the interest rate into 72. For example, if you want to know how long it will take to double your money at a 9 percent interest, divide 72 by 9 and get 8 years.