come on peoplle i know u are out there.
heres the problem my math teacher gave out. its due 2morrow. 2/29/08
CHEESE, MAYO, KETCHUP, MUSTARD, PICKLES, ONIONS, TOMATOES, LETTUCE. How many ways can you order a hamburger at Wendy's.
8th grade math. I know its easy but how can you do the problem without doing the big tree that takes up a lot of space on your paper.
Why yes, there is a way.
Suppose you wanted to order a hamburger with all of those toppings. There is one way to get all 8 toppings. How many ways for two topping?. C(8,2)
Choosing 3 toppings, C(8,3). And so on.
How about no toppings?.
So, we have:
Can you count them up?. Are you familiar with combinations?.
Another option would be to say:
Your burger can be either with cheese or no cheese. Two options.
Your burger can be either with mayo or no mayo. Two options.
Your burger can be either with ketchup or no ketchup. Two options.
And so on through all 8 choices, so the total is:
, or .