if 20 ounces for flour cost 4.40
where x is one ounce of flour, then we can write it like this:
20x=4.40
then we need to divide by 4.40 to get to the x:
x=4.40/20=0.22
So the flour costs 22 cents per ounce.
(Let's check: 0.22 times 20 =4.40. correct!)
