68 percent of 20 is 13.6
68 is 20% of 340
20% off of 68 is 54.40
13.6
68
twenty percent 85 = 100% 8.5 = 10% 17 = 20% 85 - 68 = 17
68 ! Without the aid of a calculator !
17/20 = 85%
68 is 80% of 65 because 56/85 = .8So, this is a 20% decrease. (100% - 80% = 20% )
13.6 off, leaving 54.4
$13600
68/100 x 100 = 68
Subtracting 20 percent from 85 gives 85 x (1 - (20/100)) = 85 x 0.8 = 68