For mail within the United States: Assuming that the mail piece is less than 0.25 inches thick, and it is flexible, then it will be considered a machinable letter size. If the piece weighs less than 1 ounce, then it will be the 1 ounce letter rate, which at this time (2012) is 45 cents.
Depends on where it is going to!
The postage is standard first class 1 ounce (a "Forever" stamp).
5% of 85 = 85/100 x 5= 0.85 x 5= 4.25
1 x 85, 5 x 17, 17 x 5, 85 x 1.
1 x 85, 5 x 17, 17 x 5, 85 x 1
It depends on where it is being posted from, where to and, quite possibly, its weight.
85 = 100% 5 = x% x = 5x100 ÷ 85 x = 5.88%
1 x 85, 5 x 17, 17 x 5, 85 x 1.
1 x 85, 5 x 17, 17 x 5, 85 x 1
1 x 85, 5 x 17, 17 x 5, 85 x 1.
1, 5, 17, 85. (1 x 85, 5 x 17)
5 x 5 x 5 = 125 5 x 17 = 85