Consider the following graph, which details one bookstore’s sales over the course of one day, divided by genre.
A graph titled Book Sales by Genre has genre on the x-axis and Number sold on the y-axis. Romance, 52; horror, 55; Fantasy, 60; Biograph, 57; Humor, 58; Cookbook, 54.
By percent, how much greater do sales of horror books appear to be than sales of cookbooks? How much greater are they in reality?
a.
There appear to be 50% more sales of horror books than cookbooks, but there are really only about 20% more.
b.
There appear to be 40% more sales of horror books than cookbooks, but there are really only about 5% more.
c.
There appear to be 20% more sales of horror books than cookbooks, but there are really only about 10% more.
d.
There appear to be 25% more sales of horror books than cookbooks, but there are really only about 2% more.