Which equations could model this problem?

A 5 lb bag of potatoes costs $3. What is the unit price p per pound?

Choose all answers that are correct.

A. 3/5=P

B. 3P=5

C. 5/3=P

D. 5P=3

To find out how much 1 pound cost you have to divide 3 by 5.

The right answer would be A. 3/5=P (which is equal with 0.6).

You can think this way.

if 5lb costs ... $3

1lb cost ... x$

x=3*1/5=0.6 $

So the right answer is A.

I think the correct answers among the choices presented above are options A and D. The unit price is calculated by dividing the mass of potatoes and the price for that given mass. Therefore, 3 divided by 5 or p = 3/5. The expression is also equal to 5p = 3.