Step 1
[tex]Fraction\text{ of paper back+nonfiction +poetry + textbooks take}\approx\text{ }\frac{1}{2}\text{ of the chart}[/tex][tex]\frac{1}{3\text{ }}\text{ of the chart will take }\frac{1}{3}\times360=120^o[/tex]
The only category that accounts for approximately one-third of the publisher's revenue is Magazine because the area it covers is definitely above 90 degrees.
A) Answer- Magazines
Step 2
[tex]Magazines+cookbooks+textbooks\text{ take approximately }\frac{2}{3}\text{ of the chart}[/tex][tex]\begin{gathered} Poetry+nonfiction\text{ + paperbacks take approximately }\frac{1}{3}\text{ of the chart} \\ and\text{ are approxiately equal} \\ 3x=\frac{1}{3} \\ x=\frac{1}{9} \\ The\text{ percentage will be; 100}\times\frac{2}{9}=22.2 \\ \approx20\text{\%} \end{gathered}[/tex]
Step 3
[tex]\begin{gathered} cook\text{books is approximately twice of poetry} \\ If\text{ cookbok takes 16\%, then;} \\ Poetry\text{ will take; }\frac{16}{2}\approx8\text{\%} \end{gathered}[/tex]
