1. p. 143 You are a civil engineer who has been hired to oversee a large interstate-highway construction project connecting Pittsburgh with Cincinnati. Construction began several months ago, and approximately 87 miles of highway have been completed. The total length of this highway will be 267 miles. At present, you estimate that new construction can proceed at the rate of one-fifth of a mile per day. A.Write an equation that represents the number of completed miles in terms of the number of days.

2. p. 143

3. In this lesson, I will:  Write and use a two-step equation.  Use a graph to estimate solutions to equations.

4.  Estimate