Find each unit price and tell which is the better buy.

A 1/2-pound hamburger for $3.50 ; a 1/3-pound hamburger for $3.25

1/2 pound = 2 * 3.50 = ? per pound

1/3 pound = 3 * 3.25 = ? per pound

If I spend $3.90 on one and a half pounds for mushrooms,how much is one pound

To find the unit price and determine the better buy, we need to calculate the price per pound for both hamburgers.

For the 1/2-pound hamburger priced at $3.50:
Unit Price = Total Price / Total Weight
Unit Price = $3.50 / 0.5 pound
Unit Price = $7 per pound

For the 1/3-pound hamburger priced at $3.25:
Unit Price = Total Price / Total Weight
Unit Price = $3.25 / 0.33 pound
Unit Price ≈ $9.85 per pound

Comparing the unit prices, we can see that the 1/2-pound hamburger has a lower unit price of $7 per pound compared to the 1/3-pound hamburger's unit price of approximately $9.85 per pound. Therefore, the 1/2-pound hamburger for $3.50 is the better buy as it offers a lower price per pound.