We really don't want to have to draw this tree every time though! What if there were 8 choices for dinner, 13 choices for entertainment and 7 choices for dessert? Yikes! We'd need a MUCH bigger piece of paper. But... I already know that there would be 728 possible dates!
Want to know how I did it?
It's a little magic... and a lot of multiplying!
(Sorry, but I need to change my color scheme a tad here.)
2 choices for dinner
3 choices for entertainment
2 choices for dessert
possible dates |
8 choices for dinner
13 choices for entertainment
7 choices for dessert
possible dates |
So, if we had
5 choices for dinner
6 choices for entertainment
3 choices for dessert
How many possible dates are there?