45 oz = 2.81249 lb
4.5 pounds = 72 ounces
Nope - 3 pounds = 48 ounces. 72 ounces = 4.5pounds
There are 16 ounces in one pound. Therefore, 72 ounces is equal to 72/16 = 4.5 pounds.
There are 16 ounces in one pound. Therefore, 72 pounds is equal to 72 x 16 = 1152 ounces.
That is 4.5 pounds.
(72 pounds) x (16 ounces per pound) = 1,152 ounces(72 ounces) / (16 ounces per pound) = 4.5 pounds
There are 4.5 pounds in 72 ounces (avoirdupois). 1 pound = 16 ounces.