In cell G14 enter: =SUM(C10:C23)
In cell G16 enter: =G14*.55

Regards,
Dave

"newbie" wrote in message
...
I have a relatively simple question for the experienced Excel user which I
am
not. I need to sum the cell's of C 10-23 and have them equate on G 14.
Then
I need them to calculate the that amount by .55 in G 16. How do I do
that?