12
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15% of 80 = 80*15/100 = 12
100 / 80 = 1.251.25 x 15 = 18.75%
15/100 * 80 = 12
Convert the percentage to a decimal: 15% = 15 / 100 = 0.15 15% * 80 = 0.15 * 80 = 12
80... since -65 is a negative number, adding positive 80 will produce a value of positive 15.