=IF(OR(C11="M",C11="C"),50,IF(C11="L",15,"?"))
You did not state what to return if C11 is not M, C or L so I return a ? in
that case.

Tyro
"cwn" wrote in message
...
What is the format for a multiple-string IF formula? Here is what I am
trying to do:
IF(C11="M",50) IF(C11="C",50) IF(C11="L",15)

Thanks!