Hello everyone. Can someone please point me in the right direction on how to solve the following problem:

How many different 3 letter initials are there that have at least an A in it?

Thanks.

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- Oct 27th 2013, 12:37 PMtroeCounting Problem
Hello everyone. Can someone please point me in the right direction on how to solve the following problem:

How many different 3 letter initials are there that have at least an A in it?

Thanks. - Oct 27th 2013, 01:06 PMPlatoRe: Counting Problem
- Oct 27th 2013, 03:06 PMtroeRe: Counting Problem
How do I find how many 3 letter initials that contains A? Would it be easier to find how many 3 letter initials that don't contain an A and subtract that number from the total possibilities?

- Oct 27th 2013, 03:09 PMPlatoRe: Counting Problem
- Oct 27th 2013, 03:23 PMtroeRe: Counting Problem
Thanks.