Solution To: Don't Forget To Tip Your Blogger

So, we are just going to pretend today is Sunday since I obviously forgot to post the answer like I said I would!

Here was the original problem:

How many different tips are possible if you plan to use exactly three coins, and you have a penny, nickel, dime, quarter, and half-dollar available?

Here is the solution:

There are 10 possible tips.  Here is a list of all possibilities using P, N, D, Q, and H for penny, nickel, dime, quarter, and half dollar, respectively.

PND, PNQ, PNH, PDQ, PDH, PQH, NDQ, NDH, NQH, QDH

See you next week!
Sincerely,
The Math Freak