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

Question

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

Answer 1

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

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

Answer 2

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