In 100 Words - Easy Percentages 2

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Percentages.

89% of 50=? 8x5=40 (.) 9x5=45. Add “4” in “45” to “40”. Leave “5” in place. Answer: 44.5.
72% of 80= 57.6
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When both numbers end with “1”:

Example: 41% of 21=? Multiply the 4x2 (8) (.) add 4+2 (6). “1” on the end. Answer: 8.61
31% of 61= 3x6, 3+6 = 18.91

Advanced:

81% of 51=? 8x5 (40), 8+5 (13). Add “1” in “13” to “40” put decimal, put “3”, add “1” on end. Answer: 41.31
91% of 81 = 72+17 = 73.71
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Note: Change percentage to other number = same.

25% of 50 = 50% of 25

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