Posted by Len on Tuesday, May 8, 2012 at 9:58pm.
3x2x4
There are 16 oz in 1 lb.
So, 1 lb 4 oz = (1 * 16) + 4 = 20 oz
-- Each day, Robert feeds his dog 20 oz
If the bag is 40 lbs, and 1 lb = 16 oz
-- The bag is 640 oz
640 oz of food, divided by 20 oz servings
-- It will last 32 days.
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