SOLUTION: There are 8 different cell phones in total. You want to buy two cell phones. In how many ways can a group of two cell phones be selected? You want to buy two cell phone

Question 1177501: There are 8 different cell phones in total.
You want to buy two cell phones. In how many ways can a group of two cell phones be selected?

You want to buy two cell phones. One cell phone is for your mom and the other one is for your dad. How many different ways are there? (optional)

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
this is 8C2=28 ways
1-2/3/4/5/6/7/8
2-3/4/5/6/7/8
3-4/5/6/7/8
4-5/6/7/8
5-6/7/8
6-7/8
7-8
--
8 ways to choose the first phone and 7 ways to choose the second once the first is chosen=8*7=56 ways.
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