SOLUTION: One lb of nitrogen cost $55.00, I used 6oz how much do I charge?

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Question 931522: One lb of nitrogen cost $55.00, I used 6oz how much do I charge?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use a ratio.
First you need similar units.
1 pound is 16 ounces.
55%2F16=X%2F6
X=%286%2F16%2955
X=20.625
$20.63.