17 dollars.
How much is 50 prevent off 68 dollars
68 x (1 - 0.15) = 57.8
68
$13600
15% of 68 = 15% * 68 = 0.15 * 68 = 10.2
68 - 15 = 53If you take 15% off of 68, you get 57.80.
20% off of 68 is 54.40
15%
15 x (68%) = 10.2 15 + 10.2 = 25.2 25.2 is your answer.
60% off of 68 = 68 - (0.6 x 68)= 27.2
40% off of 68 = 60% of 68 = 68*60/100 = 40.8