SOLUTION: The format of some Texas license plates is letter, letter, number, letter, number, number, number. How many plates can be made if there are no restrictions on the numbers, and the

Algebra ->  Permutations -> SOLUTION: The format of some Texas license plates is letter, letter, number, letter, number, number, number. How many plates can be made if there are no restrictions on the numbers, and the      Log On


   

Question 807484: The format of some Texas license plates is letter, letter, number, letter, number, number, number. How many plates can be made if there are no restrictions on the numbers, and the letters cannot be a vowel ( a,e,i,o,u)? How do I work this problem?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
There are 3 letters and 4 numbers
The number of allowed letters is +26+-+5+=+21+
The number of possible plates is
+21%2A21%2A21%2A10%2A10%2A10%2A10+
This assumes that +0+ is an allowed number
You can compute result