Question

Which weighs more:5 lb or 100 oz

Answer 1

The answer would be 100 ounces weighs more than 5 pounds. This is because every pound has 16 ounces in it. So, if we found out how many ounces are in 5 pounds we would do 16 ounces multiplied by 5 pounds to get 80 ounces. So we know that 100 ounces weighs more than 5 pounds or 80 ounces. 

Answer 2

There are 16 ounces in 1 pound. Therefore, to solve this problem, you must convert one to the other. You could either multiply 5 by 16 or divide 100 by 16. 5*16=80, so there must be 80 oz in 5 lb.
80 oz < 100 oz, so 100 oz weighs more than 5 lb.
Hope that helped you.