A Venn diagram with two overlapping circles and with the title "Hamburgers Ordered in One Hour" is shown. The circle on the left is labeled "With Cheese" and has the number 20 written inside it, in the region that does not overlap with the other circle. The circle on the right is labeled "With Pickles", and has the number 10 written inside it, in the region that does not overlap with the other circle. The number 8 is written in the region in which the circles overlap and the number 15 appears outside of both circles.