CPM Homework Banner

Home > MC1 > Chapter 3 > Lesson 3.3.3 > Problem 3-87

3-87.
  1. . Cecil the Acrobat walked 3onehalffeet on his tightrope, backed up 1 foot, then walked 6onehalffeet to get to the other side. Homework Help ✎

    1. Write an expression to represent Cecil's walk.

    2. How far did Cecil walk?

    3. Cecil started at the beginning again and walked 6onehalffeet, backed up 1 foot, then walked 3onehalffeet. How far did he walk this time? How does this compare to your answer from part (b)? Explain why these answers are the same or different in a sentence or with a drawing.

Imagine making a diagram of this description. What would it look like?
Try writing the expression yourself before checking the answer.

Cecil's distance will be the value of the expression you just wrote, since you were describing his walk.

Try writing an expression for this walk. Does it look like your expression for part (a)?
Are there any differences other than the ordering? Remember that order does not matter in addition.