If I spend 40$ on 5 pounds on concrete. What is the unit rate in dollars per pound

I need the answer and please explain how unit rate works cause I don't know lol

Respuesta :

Answer:

8$/lb

Step-by-step explanation:

because 8 x 5 is 40 there for each pound would be 8$ if there are 5 pounds

The correct answer is $8 per pound
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