Guided Practice:

1. Create and simplify an expression for the perimeter of the rectangle below. Command-click the progressive “help” buttons if you need a nudge in the right direction; the final one has a complete solution with explanation.

2. Jodie has (x + 1) 5-dollar bills in her pocket, along with (2x + 2) 10-dollar bills and (3x + 1) dollar bills. Create and simplify an expression that represents to total value of all the money in her pocket. Command-click the progressive “help” buttons if you need a nudge in the right direction; the final one has a complete solution with explanation.

**P-A Problem 3**. The fourth page was left off of Jeremy’s 4-page history test when it was returned to him with a final grade. On the first page, he earned 20 points. On the second page, he earned 18 points. On the third page he earned 24 points. How many points did he earn on the fourth page if his final grade was 90 points in total? Command-click the progressive “help” buttons if you need a nudge in the right direction; the final one has a complete solution with explanation.

#### ADVANCED Problem 3: