### Home > AC > Chapter 14 > Lesson 14.3.1.4 > Problem 3-58

3-58.

Dr. Sanchez asked her class to simplify the expression *x* + 0.6*x*, but some students disagree on how to simplify it. Terry says that *x* + 0.6*x* = 1.6*x*, but Jo says that *x* + 0.6*x* = 0.7*x*. Who is correct? Justify your conclusion. Homework Help ✎

Terry is correct.

(1)*x* + 0.6*x* = 1.6*x*

Be sure to explain why.