1 Record the measurements, then check usps.gov for rates. Affix as many stamps as you need to the top right corner of your letter.  If you don't have a scale, take your letter to the post office to have it weighed. The postal worker will be able to calculate exactly how much postage you'll need to buy.
  Answer 2 Donkeys make a sort of yodeling sou â¦ nd. The sound is similar to eeeee ooorrrrrr.   Answer 3 The sound made by a donkey is called braying.
Mules try their best to imitate the donkey's bray, but most have a unique sound that is a combination of the horse's whinny and the grunting of the wind-down of a bray. Most will start out-Whinee.....and end in -aw ah aw.