The school’s library has 25,000 books with thirty-two percent being history books, seventeen percent being science books, seven percent being math books, six percent being biographies and thirty-eight percent being novels. Which type of book had a total of 1,500 books in the library?

Pie:  A pie graph (or circle graph) uses “slices” or “sections” to show size.  

Chart:  A chart is made up of a horizontal line and a vertical line.  The horizontal line displays advancing numbers, letters or names going from left to right along the horizontal bottom line.  The vertical line displays advancing numbers, letters or names going from the bottom to top along the vertical line.