Postage is by weight - not size where letters are concerned.
my mom who is a postal worker says 2
At that size and weight, it would cost $2.20 (as of 2016).
A 5 x 7 envelope is great for many types of mailings. If your business is mailing a greeting card, or sending business pictures, a 5 x 7 is great for that need.
David Stamps is 5' 7 1/2".
7x75=525
The length is 7 inches and the width is 5 inches for a envelope
In the US there were 7 cent stamps printed. Many of the definitive series of stamps included all denominations from 1 to 20 cents and then every 5 cents after that. And the Postcard rate for part of 1975 was 7 cents.
If Charlie uses $1.29 in postage to send a package to his sister and only uses 16 cent stamps and 7 cent stamps, he will use 5 16 cent stamps and 7 7 cent stamps.
Going to where? If you mean domestically within the US, then the US Postal Service rate would be $1.90 ... see the Related Links below for more info.
About 7 grams!
7
thirty-two cents