If the letter weighs less than one ounce, then one 1st-class stamp will suffice. At present (August 2012), the postage rate is 45 cents.
one
One stamp.
Your answer depends on the size and weight of the letter you want to mail. You can use the online calculator, below, from the USPS, to determine the value in stamps required to mail your letter.
USPO stamp rates are higher in 2014. To mail a letter to Arizona from Michigan costs one 48 cent stamp.
If the letter weighs less than one ounce, then one 1st-class stamp will suffice. At present (August 2012), the postage rate is 45 cents.
Depends on how many pages the letter is; an average letter, say two pages - one stamp.
For a letter of no more than 3-6 pages, one first class stamp, 45 cents worth of stamps for one ounce of mail or one Forever Stamp.
All you need is ONE first class postage stamp. Provided that it's only a letter.
It depends on the size and weight, but if it's a regular letter, a 44-cent stamp will suffice.
Lots.
First Class Mail is delivered in three to five days.
how many forever stamps = .94