In 410 lbs of lentils there are 6560 ozs, to achieve this take 410 and just multiply by 16.
How many ozs of salt are there in 150 lbs? Just multiply by 16 to get the answer of 2400 ozs.
You have 460 lbs of flour but you need to know how many ozs that is. To get the answer multiply by 16 which gives you 7360 ozs.
To convert 660 lbs into ozs multiply by 16 giving 10560 ozs.