SOLUTION: Barb knits socks for a charity supporting homeless and low income people. She likes to make striped socks and selects from six different colours. The top stripe can be any colour

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Question 1123582: Barb knits socks for a charity supporting homeless and low income people. She likes to make striped socks and selects from six different colours. The top stripe can be any colour. The second stripe many not match the first colour. The bottom colour may not match the second, but may match the first. How many distinct pairs of socks could Barb make?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


There are 6 ways to choose the top color and then, for each of those 6 ways, there are 5 ways to choose the second color. Hence, 30 ways to choose the first two colors. Then for each of those 30 ways, there are again 5 ways to choose the last color.


John

My calculator said it, I believe it, that settles it