David M. answered 01/14/19
Dave "The Math Whiz"
First, we have to know that 1lb = 16oz--->1oz = (1/16)lb. So, to find out how much 72oz is in lbs we must multiply both sides by 72: 72(1oz)=72(1lb/16)
72oz=72lb/16
72oz=4.5lbs
Therefore, the answer is 4.5lbs.