Posted by Ellen on .
The call letter of a radio station must have 4 letters.The first letter must be a K or a W. How many different station call setters can be made if repetitions are not allowed? If repetitions are allowed? I have the answers just need to know the work

math 
bobpursley,
number= 2*25*24*23 if repetition are not allowed.

math 
Ms. Sue,
Did you read this?
http://www.jiskha.com/display.cgi?id=1338765707