Formula help?

  • Thread starter Thread starter Tom
  • Start date Start date
T

Tom

I want to take A1:A10 and multiply by .585
then...
A:11:A20 multiplied by .55
= total result on A25

I went something like this....and it won't work:
=sum(a1:a5)*.585+(a11:a20)*.55

All I get is #VALUE and the help prompts do not help.
I am using Excel 2007

Any help appreciated
 
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