Find out how many oz there are in a pound and then divide this number into 720 oz to convert it into pounds.
120 litres
720 g = 25.3972 oz
how many first class stamps does it take to mail a 4 oz letter and package
how many stamps for a 3.4oz envelope
2
two
2.4
78 cents
720mL = 24.3 US fl oz
-2 and 1/2
what stamp amount is needed if the letter is 15 oz.?