Explore Let c represent the cost of each window.
Answer: Carl can afford to spend $150 on each window.
Examine The total cost to replace five windows at $150 each is 5(150) or $750. Add the $250 cost of the carpenter to that, and the total bill to replace the windows is 750 + 250 or $1000. Thus, the answer is correct.
Home Improvement Kelly wants to repair the siding on her house. Her contractor will charge her $300 plus $150 per square foot of siding. How much siding can she repair for $1500?
Answer: 8 ft2
End of Lesson 3
Lesson 4 Contents
Example 1 Evaluate an Expression with Absolute Value
Example 2 Solve an Absolute Value Equation
Example 3 No Solution
Example 4 One Solution
Answer: The value is 4.7.
Answer: The solution set is .
This sentence is never true.
End of Lesson 4
Lesson 5 Contents
Example 1 Solve an Inequality Using Addition or Subtraction
Example 2 Solve an Inequality Using Multiplication or Division
Example 3 Solve a Multi-Step Inequality
Example 4 Write an Inequality