The thickness of the pile of books measured by Juan and the information in the line plot is 5.
Based on the information in the line plot, the thinnest book has a thickess of 1 1/4 and the thickest book has a thickess of 2 1/2.
The thickness of the pile of books = (1 1/4 x 2) + 21/2
(5/4 x 2) + 2 1/4 = 5
Please find attached the complete question. To learn more about multiplication of fractions, please check: https://brainly.com/question/1114498
