Sure, as long as it equals to the proper amount of postage in the end.
Yes
Yes.
to pay extra postage
Yes, but that would be foolish. Buy some one-cent stamps to make up the 42 cent postage and save those 41 cent stamps.
22 stamps
"A " stamps are the same as 15-cent stamps.
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.
356891011121314151617181921222427total 22 different amounts of postage
Priority Mail flat rate envelopes cost US$5.75 in postage. With standard 49 cent stamps, it would take 12 stamps to cover the postage.
The US Post Office continues to make 4 cent stamps today. 4 cent stamps were issued to cover the first class rate of postage from 8/1/58 to 1/6/63.
Making Postage: Mak found more than 50 3-cent and 5-cent stamps in a desk. His uncle needed 87¢ worth of postage to mail a package and asked Mak if he could use some of these stamps. How many different combinations of the stamps could Mak give his uncle to make exactly 87¢ of postage.???????
The postage rate (not 'porstage' rate) for stamps in the United States varies depending on the type op mail you would like to send. For regular letters the postage rate is 46 cents plus an extra 20 cent for each ounce.