Unit 2A: Summative Assessment

(Level 2) Choose the equation that correctly represents the total cost for a family of four to rent shoes and bowl 3 games.

(Level 2) Use inverse operations to solve for x . Show each step of your work in the workspace.

(Level 2) Donavon and three friends each brought the same amount of money to a fair. They each spent \frac{1}{2} of their money on rides. Then they each spent $3 on food. At the end of the day, Donavon and his friends have a total of $8 remaining.

The following equation represents the situation. What does the variable, x, represent?

(Level 2) Solve the equation

(Level 3) Write and solve an equation to represent the following situation:

A red candle is 8 inches tall and burns at a rate of \frac{7}{10} inch per hour. A blue candle is 6 inches tall and burns at a rate of \frac{1}{5} inch per hour. After how many hours will both candles be the same height?

(Level 3) Classify the equation as having one solution, no solution, or infinitely many solutions. If one solution, write the solution.

(Level 3) Classify the equation as having one solution, no solution, or infinitely many solutions. If one solution, write the solution.

(Level 3) Solve the equation.

(Level 4) Your friend solved the following equation and got x=16.

What error did your friend make? What is the correct solution?