8/10 * 680/1 = 5440/10 = 544 80% of 680 is 544
1003 - 459 = 544
544
80 minus 4 is 76.
80 minus 12 is 68.
80 minus 12.6 is 67.4
80 - 45 = 35
-80 - 1 = -81
90 - 80 = 10
140 - 80 = 60
If that is a hyphen the answer is 80. if it is a minus sign the answer is 80i where i is the square root of minus 1
5000.00 minus 20% = 80% of 5000.00 = 5000.00*80/100 = 4000.00