10 points is 1,470.59% of 68%
20% off of 68 is 54.40
60% off of 68 = 68 - (0.6 x 68)= 27.2
40% off of 68 = 60% of 68 = 68*60/100 = 40.8
6.8
40% of 68 is 27.2 so 68 - 27.2= 40.8 so 40% off of 68 is 27.2
60% of 68 is 40.8 and so 68-40.8 = 27.2
20.4
68 x (1 - 0.15) = 57.8
13.6 off, leaving 54.4
How much is 50 prevent off 68 dollars
68