If your
calculator has a
percentage button, the calculation is as follows: 40 x 25% = 10. If your
calculator does not have a
percentage button, you must first divide the
percentage by 100: 25 -- 100 = 0.25. You can then multiply this answer by the whole to determine the part: 0.25 x 40 = 10.Apr 24, 2018
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