Kala bought two types of cheese at a deli. She bought 0.50 pound of American cheese and 1.25 pounds of Swiss cheese. The bar diagram and equation below represent Kala’s purchase, where p represents the total number of pounds of cheese she bought.

A bar diagram. The top bar contains p. The bottom bars contain 0.50 and 1.25.

p = 0.50 + 1.25

What is the total number of pounds of cheese Kala bought?
0.75
1.20
1.30
1.75