85 dollars !
85 * .2 = 17
85 percent of 320 dollars = $272 85% of $320 = 85% * $320 = 85%/100% * $320 = 0.85 * $320 = $272
85 percent of $68.40 equals $58.14
25% off of 85 dollars = 75% [left] of 85 dollars = 85*75/100 = 63.75 dollars
20 dollars is 20 percent of 100 dollars.
Subtracting 20 percent from 85 gives 85 x (1 - (20/100)) = 85 x 0.8 = 68
85/100 or 17/20
85% = 85/100 or 17/20
$16452.60