Question
A group of students is stacking a set of identical books, each one overhanging the one below it by 1 inch. They would like to estimate how many books they could place on top of each other before the stack tipped. What information below would they need to know to make this calculation?
• The mass of each book
• The width of each book
• The depth of each book
• I only
• I and II only
• I and III only
• II only
• I, II, and III
Question Image

$n = w$. The number of books that can be stacked equals the width of each book in inches. See the solution video for an explanation.