SOLUTION: Trying to figure out the beginning number. beginning number minus 10% = 28 or X - 10% = 28

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Question 842698: Trying to figure out the beginning number.
beginning number minus 10% = 28
or X - 10% = 28
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

beginning number minus 10% = 28

or X - .10X= 28

  X(1-.10) = 28

     X = 28/.90 = 31  (rounded off to the nearest whole number)