Caleb went to the grocery store to purchase hamburger meat and hamburger buns for an upcoming barbecue with his friends. At the
grocery store, hamburger meat sells for $1.49 a pound and an 8-pack of hamburger buns sells for $2.99. He plans on making 4 hamburgers from each pound of hamburger meat and for each person, p, to eat 1 hamburger. He used the expression below to determine the cost per person of the hamburger meat and hamburger buns.