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How Do I Work Out A Percentage Of A Percentage? [Solved]
To calculate a percentage of a percentage, convert both percentages to fractions of 100 or decimals and multiply them. For example, 50% of 40% is calculated; (50/100) x (40/100) = 0.50 x 0.40 = 0.20 = 20/100 = 20%.12 Dec 2013
Percentage Trick - Solve precentages mentally - percentages made easy with the cool math trick!
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