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x + 20% = 100
What's the formula to work that out? This is the one part of percentages I never could get right, even five minutes after I had learned it yet again....
The first person to answer this one clearly and concisely shall have the honor of being permanently Scrapbooked [addons.mozilla.org] ;)
[edited by: MatthewHSE at 1:05 am (utc) on May 23, 2008]