Which represents a unit rate?
A.The cost of cat food is $36 per 3 bags.
B.The cost of orange juice is $3 per jug.
C.The cost of photocopies is $1 per 10 pages.
D.The cost of roses is $50 per 2 dozen.
b, because it show the price of one thing. Unit rate is always supposed to be money, miles, etc. per ONE UNIT (like a jug, book, page) Hope this helps. :)