To add these two weights, we first convert all the ounces to pounds. 8 lb 6 oz is equivalent to 8.375 pounds (since 1 pound is equal to 16 ounces). Similarly, 12 lb 15 oz is equal to 12.9375 pounds. Adding these two amounts together gives us a total of 21.3125 pounds.
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(8 lb 6oz) + (12 lb 15 oz) = 20 lb 21 oz OR ...
(since there are 16 oz/lb) 21 lb 5 oz
At $4.79 a lb, it's $14.37 plus tax.
To subtract 98 lbs 12 oz from 105 lbs 8 oz, you need to borrow 1 pound from the 105 lbs to add to the ounces. This will make it 104 lbs 16 oz. Then, subtract 98 lbs 12 oz from 104 lbs 16 oz, which equals 6 lbs 4 oz. Therefore, 105 lbs 8 oz minus 98 lbs 12 oz is 6 lbs 4 oz.
Yep.
There are 16oz in a pound, with this information I now expect you to work this out for yourself. How many 16s are there in 48?
12 lb is bigger than 8 oz. 1/2 lb is the same as 8 oz.