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#1
January 4th, 2010, 03:11 AM
posted to microsoft.public.excel.worksheet.functions
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FORMULA HELP
HI, MY PROBLEM IS THAT I NEED TO TAKE OFF 20% OF A SUM OF AN AMOUNT
EXAMPLE: THIS IS THE SUM FORMULA =SUM(C1:C15) BUT WHEN I PUT =SUM(C1:C15) - 20% DONT MAKE ME THE CORRECT RESULT SUPOSSED TO THE SUM IS EQUAL TO $22.01 THE CORRECT 20% OF IS $4.40, BUT WHEN I PUT THE FORMULA =SUM(C1:C15) - 20% THE RESULT THAT EXCEL GAVE ME WAS $ 21.81 THAT'S NOT CORRECT THE CORRECT AMOUNT IS $17.60, PLEASE CORRECT ME IF IM MAKING A WRONG FORMULA OR PLEASE TELL ME WHAT KING OF FORMULA I NEED TO USE. THANKS 
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#2
January 4th, 2010, 03:54 AM
posted to microsoft.public.excel.worksheet.functions
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FORMULA HELP
=SUM(C1:C15)*(1-20%)
"cONfUSEd LADY" wrote: HI, MY PROBLEM IS THAT I NEED TO TAKE OFF 20% OF A SUM OF AN AMOUNT EXAMPLE: THIS IS THE SUM FORMULA =SUM(C1:C15) BUT WHEN I PUT =SUM(C1:C15) - 20% DONT MAKE ME THE CORRECT RESULT SUPOSSED TO THE SUM IS EQUAL TO $22.01 THE CORRECT 20% OF IS $4.40, BUT WHEN I PUT THE FORMULA =SUM(C1:C15) - 20% THE RESULT THAT EXCEL GAVE ME WAS $ 21.81 THAT'S NOT CORRECT THE CORRECT AMOUNT IS $17.60, PLEASE CORRECT ME IF IM MAKING A WRONG FORMULA OR PLEASE TELL ME WHAT KING OF FORMULA I NEED TO USE. THANKS
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