Rachel wants to find the best price for potatoes at the grocery store. She sees a 10-pound bag for $5.90, a 5-pound bag for $2.75 and a 11/2 pound bag for $0.99. Which bag has the lowest price per pound?

the 5-pound bag for $2.75 has the lowest price per pound.

Step-by-step explanation:

At the grocery store, she sees a 10-pound bag of potato for $5.90. It means that the cost per pound of potato is

5.9/10 = $0.59

She a 5-pound bag for $2.75. It means that the cost per pound of potato is

2.75/5 = $0.55

She sees a 11/2 pound bag for $0.99. It means that the cost per pound of potato is

5.5/0.99 = $5.56

Therefore, the 5-pound bag for $2.75 has the lowest price per pound.

5 pound bag.

Step-by-step explanation:

We have been given that Rachel sees a 10-pound bag for $5.90, a 5-pound bag for $2.75 and a 1 1/2 pound bag for $0.99. We are asked to find the lowest price per pound.

Let us find unit price per each bag.

Upon comparing all bags, we can see that 5 pound bag costs $0.55 per pound of potato. Therefore, 5-pound bag has the lowest price per pound.