### Home > CC3 > Chapter 2 > Lesson 2.1.1 > Problem 2-10

2-10.

For the following problem, define a variable and write an equation (use the 5-D Process if needed). Then solve the equation to solve the problem. Write your solution as a sentence.

A cable

Remember that the 5-D Process has the following steps: Describe, Define, Do, Decide, and Declare.

Perform the Do and Decide steps. For the Do step, note that one piece is

If you are not sure how to do the 5-D process, choose among the videos at: 5-D Process Videos.