CPM Homework Banner

Home > CC2MN > Chapter 8 > Lesson 8.2.2 > Problem 8-115

8-115.

For each equation below, solve for . Sometimes the easiest strategy is to use mental math.  

  1. What does 


  1. Be sure to know how to get this answer using mental math. Recognize that equals an even decimal, .


  1. What must be?